When recovery crews team up for a massive wreck, a close call leads Brandon to reconsider his future in the business; attempts to straighten out a jackknifed truck get twisted.

The Davis and Quiring families team up for a rare joint recovery; a big rig is left teetering in a seemingly impossible position.

The U.S. Navy's newest ship, a guided missile destroyer, goes through testing with its crew in preparation for deployment.

Umiak I is the world's most powerful ice-breaking carrier, hauling mining equipment from Quebec City to Labrador and returning with nickel concentrate.

A storm slams into Toronto and Kerry takes cleanup into his own hands; Bill Wright is forced to pull off an impossible move; when a truck smashes through an overturned semi, John Campbell has to improvise with the tools at hand.

The U.S. Navy's newest ship, a guided missile destroyer, goes through testing with its crew in preparation for deployment.

Umiak I is the world's most powerful ice-breaking carrier, hauling mining equipment from Quebec City to Labrador and returning with nickel concentrate.

A storm slams into Toronto and Kerry takes cleanup into his own hands; Bill Wright is forced to pull off an impossible move; when a truck smashes through an overturned semi, John Campbell has to improvise with the tools at hand.

The U.S. Navy's newest ship, a guided missile destroyer, goes through testing with its crew in preparation for deployment.

Umiak I is the world's most powerful ice-breaking carrier, hauling mining equipment from Quebec City to Labrador and returning with nickel concentrate.

A storm slams into Toronto and Kerry takes cleanup into his own hands; Bill Wright is forced to pull off an impossible move; when a truck smashes through an overturned semi, John Campbell has to improvise with the tools at hand.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

Umiak I is the world's most powerful ice-breaking carrier, hauling mining equipment from Quebec City to Labrador and returning with nickel concentrate.

A simple job turns into an urgent puzzle when a flipped semi pulls Jamie back out on the road; Randy Jacknife faces a truck trapped under its load of steel.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

Mark has been invited to a massive car show at the Little Creek Casino but before he can go, Mark and Doug need to disassemble the Phoenix 'Cuda: a car that survived a garage fire; Allysa and Will meet the fans and find their pick of the show.

Western Canadian motorheads obsessed with turning abandoned trucks into custom gems, hunt for old rust buckets, drag them out of the bush and transform them into vintage classics.

After a triple crash, the crew from Chatham struggles to keep a mangled truck in one piece; a complicated air cushion job tests a new rotator operator; the new heavy crew at Metro gets a bad case of déjà vu.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

Mark has been invited to a massive car show at the Little Creek Casino but before he can go, Mark and Doug need to disassemble the Phoenix 'Cuda: a car that survived a garage fire; Allysa and Will meet the fans and find their pick of the show.

Al and Gord gamble on a job that's closed the highway and pushed both green wreckers to the limit; Jamie's crew battles a whiteout.

The cast and crew discuss the shows past four seasons; they learn what Jamie's former drivers are currently doing.

Mark has been invited to a massive car show at the Little Creek Casino but before he can go, Mark and Doug need to disassemble the Phoenix 'Cuda: a car that survived a garage fire; Allysa and Will meet the fans and find their pick of the show.

A simple job turns into an urgent puzzle when a flipped semi pulls Jamie back out on the road; Randy Jacknife faces a truck trapped under its load of steel.

Al and Gord gamble on a job that's closed the highway and pushed both green wreckers to the limit; Jamie's crew battles a whiteout.

The cast and crew discuss the shows past four seasons; they learn what Jamie's former drivers are currently doing.

The FPSO Maersk Peregrino is the world's biggest oil production ship and is permanently hooked up at the Peregrino oil field.

The recovery ship USNS Grasp has recovered downed aircraft, towed sunken vessels and cleared harbor debris.

Duncan takes on a difficult wreck as Mike McPhee returns from the injured list; a load of liquid asphalt threatens to spread.

The FPSO Maersk Peregrino is the world's biggest oil production ship and is permanently hooked up at the Peregrino oil field.

The recovery ship USNS Grasp has recovered downed aircraft, towed sunken vessels and cleared harbor debris.

Duncan takes on a difficult wreck as Mike McPhee returns from the injured list; a load of liquid asphalt threatens to spread.

The FPSO Maersk Peregrino is the world's biggest oil production ship and is permanently hooked up at the Peregrino oil field.

The recovery ship USNS Grasp has recovered downed aircraft, towed sunken vessels and cleared harbor debris.

Duncan takes on a difficult wreck as Mike McPhee returns from the injured list; a load of liquid asphalt threatens to spread.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

The recovery ship USNS Grasp has recovered downed aircraft, towed sunken vessels and cleared harbor debris.

Jamie takes control of the rotator for the first time in months; Jamie turns to his competition for advice.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

Mark teaches Allysa the finer points of installing a grill and headlights on her 1972 Duster; George attacks a tricky quarter panel to a 1969 'Cuda.

Tough times in Alberta force Colin to weigh his future; the Mission Towing crew races to clear a wreck that's shut down the rail line outside Hope, B.C.

Jamie calls in Jason's rotator to tackle a recovery in the Canyon; the Mission Towing team juggles a lost load of telephone poles; emergency responders race to a crash involving one of Jamie's crew.

Jesse and his team turn a Panoz Esperante sports car into a flying mobile.

Mark teaches Allysa the finer points of installing a grill and headlights on her 1972 Duster; George attacks a tricky quarter panel to a 1969 'Cuda.

Jamie battles a truck fire on the Coq and reveals big changes to his operation; a former team member makes a surprise return.

Mission Towing races to an urgent call on a logging road; Jamie deploys his air bag recovery system to flip a tractor trailer.

Mark teaches Allysa the finer points of installing a grill and headlights on her 1972 Duster; George attacks a tricky quarter panel to a 1969 'Cuda.

Jamie takes control of the rotator for the first time in months; Jamie turns to his competition for advice.

Jamie battles a truck fire on the Coq and reveals big changes to his operation; a former team member makes a surprise return.

Mission Towing races to an urgent call on a logging road; Jamie deploys his air bag recovery system to flip a tractor trailer.

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

The USS New York is a floating tribute to those who died Sept. 11, 2001, with 7.5 tons of steel salvaged from the wreckage of the Twin Towers forming her bow stem.

Bill Wright must perform a complicated rescue; Kevin leaves his home base to work a recovery in the big city; Gary and Collin fight a dumped load of giant boulders; Mitch reveals a tough personal struggle.

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

The USS New York is a floating tribute to those who died Sept. 11, 2001, with 7.5 tons of steel salvaged from the wreckage of the Twin Towers forming her bow stem.

Bill Wright must perform a complicated rescue; Kevin leaves his home base to work a recovery in the big city; Gary and Collin fight a dumped load of giant boulders; Mitch reveals a tough personal struggle.

The world's top cruise ship, the Crystal Serenity visits Sydney harbor, the port of Melbourne, Bali, a large-scale furniture load in Semarang, Indonesia and the port of Singapore.

The USS New York is a floating tribute to those who died Sept. 11, 2001, with 7.5 tons of steel salvaged from the wreckage of the Twin Towers forming her bow stem.

Bill Wright must perform a complicated rescue; Kevin leaves his home base to work a recovery in the big city; Gary and Collin fight a dumped load of giant boulders; Mitch reveals a tough personal struggle.

The team turns a 1959 Chevy Apache into a mobile milking-parlor.

Alastair Seeley looks to break the record of 15 career wins at the North West 200 in Northern Ireland, one of the world's fastest and most dangerous road circuits.

The Targa Newfoundland rally is one of those rare events that every racer puts on their bucket list as it is extremely challenging but also one of the most picturesque races.

The team turns a 1959 Chevy Apache into a mobile milking-parlor.

In a special episode, Mark shows unique differences, surprising insights and cool features on multiple years of the same car: the Dodge Charger.

Jesse assembles his bike-building heroes into a team of ultimate old-school chopper craftsmen.

A 1969 Silver Shadow Rolls-Royce becomes a vehicle that empties portable toilets.

The team turns a 1959 Chevy Apache into a mobile milking-parlor.

In a special episode, Mark shows unique differences, surprising insights and cool features on multiple years of the same car: the Dodge Charger.

The Pikes Peak International Hill Climb is unlike any other race in the world as drivers compete against each other as well as the rugged mountainous terrain.

Alastair Seeley looks to break the record of 15 career wins at the North West 200 in Northern Ireland, one of the world's fastest and most dangerous road circuits.

In a special episode, Mark shows unique differences, surprising insights and cool features on multiple years of the same car: the Dodge Charger.

The Targa Newfoundland rally is one of those rare events that every racer puts on their bucket list as it is extremely challenging but also one of the most picturesque races.

The Pikes Peak International Hill Climb is unlike any other race in the world as drivers compete against each other as well as the rugged mountainous terrain.

Alastair Seeley looks to break the record of 15 career wins at the North West 200 in Northern Ireland, one of the world's fastest and most dangerous road circuits.

VIA Rail's passenger train travels between Vancouver and Toronto on four-day, four-night journey that cater to everyone.

Japan's Tokaido Shinkansen, known as the bullet train, operates on a dedicated railway line at up to 177 mph.

The highly-specialized North Rail Express container train travels from Narvik to Oslo, delivering cargo of fish as quickly as possible.

The Glacier Express features cutting-edge technology to pull the train up the steepest slopes on its route across the Swiss Alps.

The Ghan takes passengers on a three-day, two-night journey through Australia; the Pichi Pichi Railway offers passengers a trip on an original steam locomotive train.

The White Pass and Yukon route was built in 1869 to take miners and supplies to the Klondike gold fields.

Two magnificent journeys with New Zealand's KiwiRail: the TranzAlpine, a five-hour journey across 223 kilometers, and Northern Explorer, an 11-hour trip through five unique regions of the North Island.

Passengers on Ecuador's Tren Crucero experience a dangerous rail journey, which includes tropical jungles, volcanoes and the Devil's Nose.

Hector Rail's trains haul timber to a pulp mill in Ostrand, Sweden on some of the most difficult railways in the country.

The Rocky Mountaineer travels across western Canada and over the Rocky Mountains.

Passengers are treated like royalty on Indian Railways' Maharaja's Express.

On Europe's high-speed rail network, between Barcelona and Madrid, crews work to expand the infrastructure for a new train.

Norway's Bergen Line stretches from Oslo to Bergen, passing through 182 tunnels; Nordland Line transports passengers and freight; Flam Railway boasts one of the steepest railway climbs on Earth.

Go behind the scenes with NTV's two Italo trains - the AGV and the EVO - as they expand to cover more of the Italian railway network, connecting passengers from Turin to Venice, and Naples to Milan, on two of the world's fastest trains.

The Indian Pacific is a four-day, 4,352-kilometre transcontinental journey across Australia, a trip which features the world's longest straight stretch of railway and steepest incline.

Travel aboard the colourful trains of the State Railway of Thailand and explore the famed Death Railway; the trains travel through ancient areas, historic tunnels, and raging rivers.

South Africa's most luxurious train - Rovos Rail - travel from Pretoria to Cape Town in classic cars pulled by a series of steam, diesel and electric locomotives.

Switzerland's Bernina Express is one of three railway lines on the UNESCO World Heritage list; it navigates 55 tunnels and nearly 200 viaducts and bridges.

A trip through Lima details the voyage's breathtaking scenery and engineering challenges.

A trip aboard the luxury tourist train, Transcantábrico Clásico through Northern Spain along a historic 19th century rail line.

A trip aboard one of the world's most expensive and sought-after train rides details the journey for both passengers and crew.

The prairies of Canada; the deserts of Australia; the cold of the Norwegian Arctic Circle; the steepest slopes of the mighty Swiss Alps.

Exploring Vietnam by rail aboard the Reunification Express; a three-day ride from Hanoi to Ho Chi Minh City rich in views of rivers, rice paddies and dragon fruit orchards; steeped in the nation's war-torn past.

Travelling up the coast of New Zealand in style aboard the Coastal Pacific, a train that embodies the nation's spirit of grit and determination; for two years, this ride was shut down due to an earthquake in 2016.

The ORBIS McDonnell Douglas DC-10, the world's only flying eye-hospital, includes an operating room and a classroom.

The Martin Mars water bomber is the world's largest seaplane and has flown more than 8,000 firefighting missions.

The world's first double-decker passenger aircraft, the Airbus A380 has a groundbreaking design.

A look at the C-130 Hercules, the most flexible airlifter in the world.

The world's largest serially manufactured cargo plane, the Antonov 124, was built to move Soviet military vehicles and equipment.

The C-5 Galaxy is the U.S. Air Force's largest and most powerful plane; follow its mission to Afghanistan.

This modified Boeing 707 is one of only two 707 tankers in the world that provide commercial air-to-air re-fueling to the American military.

The National Oceanic and Atmospheric Administration's hurricane hunting WP-3D Orion aircraft fly where other planes refuse to venture.

Travel with Donald Trump aboard his luxurious Boeing 757 on a transatlantic flight to the U.K.

A flexible cargo aircraft in the U.S. airlift force; the C-17 Globemaster III specializes in quick delivery of troops and all types of cargo.

SOFIA, the largest airborne observatory in the world, boasts a 17-ton telescope capable of making observations impossible for ground-based telescopes.

The Blue Angels run through their unique, specialized training.

The CP-140, a spy plane built to protect Canada and her coastlines from unseen enemies is upgraded with the latest technology.

The T-38 jet trainer is the ultimate test for any pilot wanting to join the world's elite club of fighter jet pilots.

The Canadian Air Force's CC-115 Buffalo is the go-to aircraft for search-and-rescue on the west coast.

Super Gippy, the flying cargo, is made of old aircraft parts and carries NASA's bulkiest and most cutting edge aerospace components.

The Nolinor 737's flight crew ferries nearly 10,000 pounds of essential food, vital mining equipment and 57 miners to the Arctic, where bad weather wreaks havoc with the plane and the mission.

Reviewing the best of the series, from planes that transformed travel to the biggest passenger plane as well as the C130 Hercules.

Transporting the gear of Formula E's 10 electric-powered racing teams to cities around the world across more than 50,000 total kilometres in the greenest way imaginable is no easy task; for air transport, DHL uses Boeing 747 or 777 aircraft.

The C-2 Greyhound's design allows it a flexibility and access that few other fixed wing craft possess; for the U.S. Navy, it provides critical logistics support, flying 1,000 miles in a matter of hours and transporting high-priority cargo.

The Stargazer launches Pegasus rockets, delivering specialized weather satellites designed to detect the magnitude and intensity of hurricanes.

Baffinland Mines needs to get equipment to a remote mine in Nunavut, to support shipping operations for the summer; they hire one of Volga-Dnepr's Ilyushin-76.

The German Air Force is overhauling their entire fleet of outdated cargo planes, and replacing them with Airbus' latest state-of-the-art military aircraft, the A400M, which can haul massive loads.

The Twin Otter is found around the world in jungles, deserts, mountains, the Arctic and anywhere rugged reliability and short-take-off-and-landing are needed; powered by twin turboprop engines, the Twin Otter manoeuvres like a bird.

Unassuming people enter a taxi cab as simple passengers taking a normal ride, only to be surprised when they discover that they're instant contestants; Adam Grove, asks the passengers trivia questions as he escorts them to their destination.

Rookie Sonny faces a 40-car pile-up that turns a major highway into a war zone;a fierce storm triggers a triple-semi crash; a father-son team race to clear the road as weather blasts in.

A semi-truck crash shuts down a crucial border route; rookie heavy rescue driver Sonny helps a trucker stuck on a dangerous stretch of highway; a tanker wreck causes commuter chaos in Toronto.

A courier truck rolls over; a vicious storm puts Mark in the middle of a crash zone; the crew dives for cover during an icy airbag job.

James and Bubba recover a semi smashed into a building; Kevin faces problems with a tractor-trailer crashed in deep mud.

Gary's team fights to upright a battered trailer; a rookie takes his first shot as lead operator on the rotator.

Kyle tangles with a wreck that will prove if he's got what it takes to lead the team; Sonny heads to the scene of a violent jackknife.

A whiteout pile-up scatters heavy I-beams across the highway, testing James and his crew; Kevin must lift a 20,000-pound chunk of steel off the road.

During a spring storm, Steve cleans up a fuel spill blocking the 400, while Sonny struggles to keep the alternate route moving; John Allen recovers a loaded semi that went for a wild airborne ride.

Members of the Highway Thru Hell crew join the 401 crew to weigh in on the unique challenges of recovery operations in Ontario and B.C. and compare the biggest wrecks and toughest jobs over the past winter.

Sonny and the team from Steve's Towing fight to remove the wreckage of a dump truck embedded in an overpass on the 401; James Ireland faces a trailer threatening to cave in on his crew.

A freak storm unleashes a 100-car pileup east of Toronto, pushing Steve and Sonny to lead the recovery charge; Kevin fights a tough wreck after a trucker smashes into an orchard.

A massive multiple-semi crash in a tunnel forces the Coxon crew to clear a big mess in a tight space; Mark Haslett heads to the rescue when a woman is trapped on a dangerous stretch of the highway in Toronto.

When a violent windstorm flips a tractor-trailer on an exposed bridge, Kevin works under the most difficult and dangerous conditions of his career; James takes on a wind-battered wreck of his own.

A tragic collision between two semis sends Bear and the crew from Ross into the fray; Nate and Andrew improvise after a load of lumber rolls on the 401, backing up traffic all the way to Quebec.

Sonny hunts for a shortcut across town after a runaway van smashes through a wall and into the path of a full-speed truck; the crew from Herb's hurries to save a load of pharmaceuticals before it freezes.

Freezing rain scatters Gary's team, forcing him to work solo to open the continent's busiest border crossing; in Windsor, Brad, Eric and crew fear a tragedy when they untangle a sedan badly crushed by a semi.

A storm sweeps across the province, sending heavy rescue crews scrambling; in Hamilton, Kevin fights to clear a wreck in time for the plows to get through.

The pressure is on for Steve when a flipped truck blocks access to the airport; Coxon fights a wreck with a toxic payload; a wild rollover rips a cab off its chassis and leaves a trail of destruction for the Ross crew.

A heavy wreck and a frustrating recovery threaten to overwhelm Kevin; after a big change in his career, Sonny struggles to make a mark when a heavy load flips in the middle of the city.

Sonny deals with a jackknife during the first winter storm; John deals with a messy wreck under an overpass.

Kevin orchestrates a team of heavy operators during a highway cleanup job; Gary's crew is sent on a marathon recovery.

The Sarnia crew battles exhaustion and frustration on a wreck that refuses to stop fighting; a badly-timed breakdown puts Eric on edge; Sonny works to free a fleet of plows trapped on the highway.

Thick fog descends on the highway, turning a seemingly simple recovery into one of the most dangerous jobs of Gary's career; a mangled trailer forces the Ross crew to take a chance on a very unconventional maneuver.

The crew scrambles to keep the roads open during a whiteout, but drivers wind up stranded on the 402; John battles high winds during a job high above the 401.

Herb's Towing turns a wreck on its head with some unexpected assistance; with traffic backing up for 50 kilometers, a fuel leak complicates an already stressful recovery for Steve and the crew.

The Ross crew responds to an overturned wreck; the road to the boarder is shut down; John faces a steep ravine for a recovery.

The crew from Herb's faces a night of non-stop recoveries when a blizzard hits; a veteran fights the toughest battle of his career at a multi-semi pileup.

The crew responds to a wreck scene that stretches over half a kilometre; Sonny takes on the role of mentor; Onne and the crew work to save a trailer.

Gary and the team tackle a tanker wreck; Steve's crew fights to get a tall tractor off the highway.

The Ross crew works the biggest, most complex job of the season after a bridge collapses in a river; a young rotator operator gets in over his head.

Collin gets caught in the middle of icy roads; Collin attempts his first solo recovery; Bubba fights to stop a fuel leak and a buckling trailer.

Andrew's sister joins the crew for her first recovery; Eric attempts to keep his crew safe; Collin's once-in-a-lifetime job goes wrong.

Bubba battles a stubborn wreck in the middle of an ice storm; Sonny must improvise while clearing a pile of steel beams; Gary deals with a plummeting tanker.

After three decades on the highway, a major change forces Eric Godard to adapt to a new crew on a tough rollover; a vicious pre-winter storm pushes Sonny into urgent on-the-job training; a jet fuel spill shuts down the entire 401.

When a tanker bursts open east of Toronto, a young operator faces a toxic mess; Gary reacts fast when he spots a dangerous mistake on the road; a rookie takes the controls for his first heavy job.

Steve's crew battles a fiery wreck in the heart of Toronto; the OPP takes to the air to keep the roads safe; when freezing rain ices up the highway around London, a newly-promoted rotator operator gets his first big test.

A pileup on the 401 brings traffic to a standstill and pushes the Ross crew into action; Sonny helps a driver stuck on a dangerous stretch of highway in Toronto; Herb's rookie Zach masters a difficult move for the first time.

A 70-vehicle whiteout crash shuts down Highway 400 and the OPP jumps to organize an army of recovery crews; the Sarnia team struggles to recover a severely damaged trailer without losing the load.

Eric is still working to find his place on the new County/Coxon team when a T-bone semi collision spurs them into action; with his first baby on the way, a blizzard in the east sends Andrew on an urgent rescue mission.

An air ambulance crew takes off after a pileup results in serious casualties; when a low bridge knocks over an industrial payload, Steve and crew battle their way through a sandstorm.

After a triple crash, the crew from Chatham struggles to keep a mangled truck in one piece; a complicated air cushion job tests a new rotator operator; the new heavy crew at Metro gets a bad case of déjà vu.

Herb's team fights fire while tussling with a burned-out semi; as whiteouts rage across the 402 in Sarnia, Mark fights his way through a long backup to reach a job; a unique recovery crew faces a heavy load of peat moss and trailer ready to split.

With his dad away, Mitch works with his older brother to get a stubborn wreck onto the road, but these brothers rarely see eye-to-eye; Glen, Todd and the crew improvise to offload some extreme cargo.

When a rolled-over dump truck spills its load on the 401 in the middle of rush hour, Steve, Sonny and crew must make a split-second decision; Eric and his boss disagree on how to handle a shredded trailer.

Snow squalls attack Highway 402, sending Gary, Collin and Mark to work deep in the trees; a fuel tanker rolls next to rail lines in Toronto's industrial port lands; the Chatham crew improvises against a fire-ravaged wreck.

Mitch's new partnership with his brother is put to the test in the aftermath of a brutal storm; Eric, Derek and crew take on a load of steel pipes threatening to spring loose on the road; Andrew and his team wrestle difficult cargo.

Gary's crew and family come together for a multi-wreck scene blocking the border; low power lines and a bad fuel leak complicate a delicate recovery in Toronto; a garbage hauler creates a heavy mess for the Ross crew.

A load of lumber spills across the 401 in the heart of Toronto, John Allen heads into the first storm of the season; after an injury on the job, Gary must lean on Collin for a heavy yet delicate recovery; Sonny makes a major change in his life.

The OPP must manage a chaotic scene after a thirty-vehicle pileup shuts down the 401; Mitch sets a tight deadline in his first job as leader of the heavy crew; a semi smashes into a culvert, the Ross's try out their newest operator.

Sonny and his new boss face their first heavy test, fighting a semi frozen hard into the mud; a double collision brings border traffic to a halt in Sarnia, forcing Gary and crew to wrangle a difficult load of cargo.

A rolled-over load of scrap metal defies gravity and Kevin's patience; the Cornwall crew rides to the rescue of a fire truck; County Towing struggles to get a grip on an icy highway.

The OPP responds to a tragedy that rocks the towing community; when Sonny gets caught on a dangerous stretch of road, he must turn to an unexpected source for help; a truckload of confetti shreds Mitch's nerves.

A compromised trailer breaks apart in Chatham; John Allen maneuvers a truckload of water.

A tractor wedged between an overpass and a guardrail forces the Ross crew into a game of inches; Herb's crew goes deep into the woods to rescue a tree-bound truck; Sonny tries to clear a stalled semi in a dangerous spot.

A massive storm across the southern tip of the province pushes the County crew into an intense double recovery; a tree stump in the worst possible spot threatens a big job for Duncan.

Mitch from B&G joins forces with John Allen to clean up a triple collision and a badly leaking tanker; a newly promoted rotator op fights a trailer that's ripping in two; Kevin rushes to clear a wreck in time for an important family milestone.

A tractor-trailer rolls over in an icy median; the oldest member of Duncan's team takes on the most dangerous job; a fiery wreck in Toronto turns Steve's crew into a pit crew; swapping wheels in a race against rush hour.

A massive super-storm blasts across the province; Sonny hurries to help a stranded customer.

When the Classic and Lucky crews battle a trailer ready to break in two, they make a drastic decision, turning to their tree expert and his chainsaw; Mike and David Ross ease out a semi caught between a culvert and a heavy steel coil.

John Allen finds himself in need of a heavy rescue when he gets stuck on an icy side road; a rotator operator takes on a challenge when he tries to save a trailer buckling under heavy concrete; a new member joins the Preferred crew.

Racing to prevent a fuel spill, Mitch must execute a complex maneuver he's never tried before; Adam attempts to help out a group of drivers stranded on a dangerous hill; when James Ireland faces a tough wreck, he turns to his wife, Fabiana.

Adam improvises when heavy winds complicate a tough recovery; Gary's new team and hopes are put to the test against a heavy sea container; when a trailer loses its wheels, Duncan has to wrestle it to the road.

With Herb watching over the crew, Zach shakes off his nerves and pulls off a tough move; after a bad crash, the Chatham crew clears the road while preserving a tractor for the police investigation; the Rosses do battle on double fronts.

When Sonny needs to pull off an urgent recovery, he turns to an unexpected source for help; a tight recovery puts Duncan right up against a live lane of traffic; Gary's crew takes on the last big rollover of the winter.

The first storm of the season forces OPP Sgt. Kerry Schmidt to take hands-on action; Collin leads the crew to recover a tanker with a highly toxic payload; the Ross crew faces a trailer on its head that demands a double roll to wrangle it upright.

Bill Wright and his son need to become a tight team on a remote job; a city-based crew heads north to fight a demolished tractor-trailer in rugged terrain; Kevin feels the pressure when a load of steel smashes onto the highway right before rush hour.

Investigators race to find crucial evidence in the wake of a devastating crash; an unexpected malfunction puts Collin directly in the line of fire.

Todd tests his skill against a truck crashed up a steep slope; Bill Wright must learn to trust his son as they struggle against a swampy wreck; a frustrating job rattles Duncan while a key member of his team fights to return from a serious injury.

An overpass jackknife pushes Bill Wright into quick action; Collin's first heavy job after a close call forces him to put his father's new safety plan to the test.

An Eastern Ontario crew works to untangle a truck from a thick stand of trees; Mike Ross and Austin battle a trailer ready to burst; Andrew's crew faces a tragic job after losing a key member of their team.

A tanker full of wine rolls and spills on the 401; Mike McPhee takes his first step back toward the highway after a potentially career-ending accident; Eric and the crew work to save an excavator from the edge of Lake Erie.

A storm slams into Toronto and Kerry takes cleanup into his own hands; Bill Wright is forced to pull off an impossible move; when a truck smashes through an overturned semi, John Campbell has to improvise with the tools at hand.

Duncan takes on a difficult wreck as Mike McPhee returns from the injured list; a load of liquid asphalt threatens to spread.

Bill Wright must perform a complicated rescue; Kevin leaves his home base to work a recovery in the big city; Gary and Collin fight a dumped load of giant boulders; Mitch reveals a tough personal struggle.

Duncan helps an industry veteran take on a heavy rollover in a marathon job that delivers.

Heavy squalls launch a surprise attack on the Ross crew; Sonny handles huge rolls of paper that threaten to tear through a trailer; Eric faces a major decision about how much more heavy recovery his battered body can stand.

When winter mounts a comeback, John Allen spends a night battling a load of spilled scrap metal; Collin faces a tight deadline on a double recovery; Bill Wright makes a call, leading to a farewell for Mitch.

A double tanker loaded with gasoline smashes into a house; Duncan Cooper puts his new 50-ton rotator to the test; Gary and Collin bring their rookie crew to a bad collision blocking the road to the border.

Sgt. Kerry Schmidt fights to get stuck commuters moving; Austin Hutchinson is forced to battle a nasty wreck all on his own; Abrams' John Allen tackles a snowplow blocking a vital ramp.

Sgt. Kerry Schmidt coordinates heavy tows and Sonny Subra must clear a ramp littered with semis; Herb's Towing takes on a B-train that slid right off the highway; Eric Goddard brings a brand-new heavy wrecker to recover a heavy trailer.

An armored truck rolls over on the 401; Kim Reid's crew deals with a toppled trailer in a risky spot; Ross Services handles a tanker full of gasoline; Gary and Collin have conflicting ideas about getting a badly compromised trailer back to the road.

Chad Grenier deals with a spun-out tractor; Bill Wright brings his new rotator to a dangerous corner of the 401; the Herb's Towing crew faces a major challenge when a semi barrels across both sides of the highway.

A heavy crew must remove a load of industrial glass panels from a buckled trailer; a double wreck pushes crews into a tense race; Gary gives a rookie operator the chance to learn the ropes at a difficult scene.

Eric and Senior work to coax a semi back on the road.

When a transport rolls on a dangerous curve, John Campbell needs to master his new rotator in a hurry; Duncan Cooper and crew take on a full load of medical supplies dumped on the side of the highway.

Sonny pushes his small wrecker to its limit; a load of buttermilk spurs a messy cleanup; the newest member of Andrew's crew gets to prove her worth against a badly mangled wreck.

Herb takes a break from retirement to help the crew wrangle a huge and heavy job; an OPP constable makes a very unusual traffic stop; the Preferred team confronts a challenge that even Gary has never seen before.

The Preferred crew must split up to clear two wrecks; Gary desperately wants to have Collin back at his side; Mitch Wright returns home just in time to pick up a shovel and lead a frustrating recovery against a dump truck filled with manure.

Sgt. Kerry Schmidt works with Abram's crew to clear the highway; Duncan teams with John Campbell on a semi mired deep in mud; Ross' Mike and Austin attempt to recover a trailer carrying an unusual load; James and Fabiana respond to a fire.

Sonny needs to clear a spun-out semi in time to make a family commitment; after a transport veers off the highway, Eric faces a hard truth about his career; Andrew's crew must overcome intense resistance from a truck frozen deep in the ditch.

Rookie Sonny faces a 40-car pile-up that turns a major highway into a war zone;a fierce storm triggers a triple-semi crash; a father-son team race to clear the road as weather blasts in.

A semi-truck crash shuts down a crucial border route; rookie heavy rescue driver Sonny helps a trucker stuck on a dangerous stretch of highway; a tanker wreck causes commuter chaos in Toronto.

A courier truck rolls over; a vicious storm puts Mark in the middle of a crash zone; the crew dives for cover during an icy airbag job.

James and Bubba recover a semi smashed into a building; Kevin faces problems with a tractor-trailer crashed in deep mud.

Gary's team fights to upright a battered trailer; a rookie takes his first shot as lead operator on the rotator.

Kyle tangles with a wreck that will prove if he's got what it takes to lead the team; Sonny heads to the scene of a violent jackknife.

A whiteout pile-up scatters heavy I-beams across the highway, testing James and his crew; Kevin must lift a 20,000-pound chunk of steel off the road.

During a spring storm, Steve cleans up a fuel spill blocking the 400, while Sonny struggles to keep the alternate route moving; John Allen recovers a loaded semi that went for a wild airborne ride.

Members of the Highway Thru Hell crew join the 401 crew to weigh in on the unique challenges of recovery operations in Ontario and B.C. and compare the biggest wrecks and toughest jobs over the past winter.

Sonny and the team from Steve's Towing fight to remove the wreckage of a dump truck embedded in an overpass on the 401; James Ireland faces a trailer threatening to cave in on his crew.

A freak storm unleashes a 100-car pileup east of Toronto, pushing Steve and Sonny to lead the recovery charge; Kevin fights a tough wreck after a trucker smashes into an orchard.

A massive multiple-semi crash in a tunnel forces the Coxon crew to clear a big mess in a tight space; Mark Haslett heads to the rescue when a woman is trapped on a dangerous stretch of the highway in Toronto.

When a violent windstorm flips a tractor-trailer on an exposed bridge, Kevin works under the most difficult and dangerous conditions of his career; James takes on a wind-battered wreck of his own.

A tragic collision between two semis sends Bear and the crew from Ross into the fray; Nate and Andrew improvise after a load of lumber rolls on the 401, backing up traffic all the way to Quebec.

Sonny hunts for a shortcut across town after a runaway van smashes through a wall and into the path of a full-speed truck; the crew from Herb's hurries to save a load of pharmaceuticals before it freezes.

Freezing rain scatters Gary's team, forcing him to work solo to open the continent's busiest border crossing; in Windsor, Brad, Eric and crew fear a tragedy when they untangle a sedan badly crushed by a semi.

A storm sweeps across the province, sending heavy rescue crews scrambling; in Hamilton, Kevin fights to clear a wreck in time for the plows to get through.

The pressure is on for Steve when a flipped truck blocks access to the airport; Coxon fights a wreck with a toxic payload; a wild rollover rips a cab off its chassis and leaves a trail of destruction for the Ross crew.

A heavy wreck and a frustrating recovery threaten to overwhelm Kevin; after a big change in his career, Sonny struggles to make a mark when a heavy load flips in the middle of the city.