Leonard keeps an affair a secret from Sheldon, Howard and Raj.

Penny and Leonard organize a paintball game, which results in mayhem when Sheldon becomes jealous of Amy; Koothrappali catches Anu with her ex-boyfriend; Stuart doesn't want to move in with Denise.

Charlie organizes an intervention to keep Alan from reuniting with Judith.

The Conners continue to deal with the pandemic; navigating breakups and newfound sobriety; planning an upcoming wedding.

The Conners continue to deal with the pandemic; navigating breakups and newfound sobriety; planning an upcoming wedding.

A look at some of the wildest outbursts that occurred in courtrooms across America; a defendant slugs a deputy then attempts to get to jurors; a man threatens prosecutors, the judge, and others at his sentencing; a 21-year-old curses repeatedly.

A woman sues a photographer for using photos from a bartered session to promote his business on social media.

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Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

Featured magicians include Jack Kelly, Mortenn Christiansen, Robin Sheikh and Magic Samk.

Magicians featured include Jonathan Levit, Maxence Vire, Greg Frewin, Adam Wylie, Naathan Phan, Jeki Yoo, Nathaniel Segal, Mind 2 Mind, Joseph Reohm and Ed Alonzo.

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Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Ross tries to win back Rachel's job with her former fashion employer; Phoebe tries to keep Joey from learning about his agent's death; Monica and Chandler make a horrifying discovery.

Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.

Penny's ex-boyfriend Zack learns that he is infertile, so he asks Leonard for help; Koothrappali attempts to mend things with his ex-fiancee Anu.

Berta moves into Charlie's house for a few days and plays one brother against the other.

Part of Becky's recovery program mandates she makes amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

Part of Becky's recovery program mandates she makes amends with people she has lied to over the years, leading her to meet up again with a former high school friend; Darlene visits with Pastor Phil; Louise continues planning her wedding.

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Jacuzzi Bath Remodel and interior designer Christina Haack shares how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day.

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Elizabeth Stanton takes a look at the very latest in the world of pop entertainment, plus exclusive interviews, trends and gossip.

The award winning travel journalist takes picturesque tours around the world.

KTLA Morning News anchor Jessica Holmes is in the kitchen whipping up California-inspired dishes.

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From Purcell Pavilion in Notre Dame, Ind.

A pre-race lead-up to NASCAR racing.

From Circuit of the Americas in Austin, Texas.

Men's college basketball action.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

KTLA honors Black history month with a look at the past and how it relates to the future.

Celebrating the rise of a humble but driven boxing perfectionist who triumphantly emerged from Muhammad Ali's long shadow to become the Heavyweight Champion of the World, redefining greatness in his own image.

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Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

Raj struggles with guilt when he dates two women at once; Penny has a chance to play a part in a cheesy movie; Sheldon is torn between two gaming systems.

Sheldon has a personal crisis when he decides string theory is a waste of his time; a double date ends in embarrassment for Howard.

Dan encounters a surprise visitor who shares some unsolicited advice, leaving him feeling guilty; Darlene welcomes a new employee to Wellman Plastics.

Jacuzzi Bath Remodel and interior designer Christina Haack shares how to transform your bathroom into a gorgeous, safe, stylish space in as little as one day.

Join Connie Craig-Carrol and health visionary Ken Meares as they uncover OmegaXL, the groundbreaking natural supplement transforming lives by tackling joint pain and inflammation.

Operation Smile: transforming lives and bringing smiles to children around the world.

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Tired of bloating or gut issues that won't go away? Discover the root cause-and how Emma can help eliminate methane-producing archaea, reset digestion, and restore balance naturally.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

Mark is stressed and exhausted from studying for an important entrance exam, so Darlene steps in to help, but her plan backfires.

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From Maples Pavilion in Stanford, Calif.

From Bowlero St. Peters in St. Peters, Mo.

Arizona's bighorn sheep are reintroduced into their native range.

Gorillas; chimpanzees; orangutans.

Protecting endangered sea turtles in Thailand; treating and releasing injured and newly-hatched turtles.

Scientists try to unravel the mysteries of the giant Pacific octopus in Alaska; a close encounter.

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From Intuit Dome in Inglewood, Calif.

Sheldon invites a famous physicist to the apartment, and competes with Leonard for her attention.

Leonard tells Penny about how he met Sheldon and what happened to the elevator.

Raj and Howard set up an online dating profile for Sheldon and find the perfect woman.

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Taylor Fritz, Tommy Paul, Casper Ruud, Nick Kyrgios, Joao Fonseca, Gaël Monfils, Lorenzo Musetti, and Alexander Bublik take the court at T-Mobile Arena and vie for a $1-million prize pool.

A look at some of the wildest escapes that occurred in courtrooms across America.

Newlyweds sue their wedding planner for the 10k court max alleging their wedding party was ejected from a wedding venue; the planner says they still owe her money.

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Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

Max and Ellis investigate a locked-room mystery after the death of a high-powered fixer electrocuted in her penthouse hot tub, where she was the only one present at the time; actors, Vanessa Morgan, Giacomo Gianniotti, Jason Priestley, Tamara Taylor, Terry Chen, Amy Goodmurphy, Fletcher Donovan, Kaylah Zander.

Maggie grows concerned about Cal after he makes a series of rash decisions, while an unexpected visitor threatens Sully and Robs plans for the diner.

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When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

While the guys camp out for a long-awaited movie screening, Penny and Bernadette invite Amy to her first slumber party.

Sheldon and Amy are thrilled when their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel nomination; Bernadette has a big success at work.

Charlie responds inappropriately to a woman's declaration of love, and Rose says his inability to have a long-lasting relationship is due to unresolved issues with his mother.

The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.

The Conner home is decked out for Halloween, despite the leak in the roof that forces Dan and Louise to cancel their honeymoon; Becky surprises the newlyweds and takes them on a virtual adventure around the world.

An exchange of bullets at a suburban home ends with a dramatic courtroom exchange; a surprise performance by a man accused of attempted murder fails to impress the judge; hunger strikes, outrageous claims and shocking behavior in court from a killer; and more.

A young woman sues her ex-lover for damages over an alleged assault; a man's foray into the dog-breeding business ends in a lawsuit over a French Bulldog puppy he sold to his tenant.

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Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

WWE's hottest up-and-coming Superstars compete to prove they've got what it takes; more than just evolution, it's a revolution; the entertainers, the leading men and women, the WWE Superstars of tomorrow.

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When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

Penny asks Leonard to lie to her father (Keith Carradine); Howard, Raj and Bernadette pull an all-nighter at a telescope.

Sheldon is thrilled to help Bernadette and Wolowitz navigate bureaucratic paperwork, until he discovers they are breaking the law; Leonard is disappointed when his friends exclude him from a scientific project.

Rose's father (Martin Sheen) confronts Charlie about his intentions toward Rose.

When Jackie devises an offbeat plan of how to serve the customers at the diner, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.

When Jackie devises an offbeat plan of how to serve the customers at the diner, it's anything but smooth service; Dan begins to sell some furniture to make room for his new bride and her things.

The mother of a murder victim comes face to face with the killer: her own grandson; a widow seeks her own form of justice; courthouse nuptials take a shocking turn.

An uninsured, unlicensed teenager takes her mother's car and strikes a married couple on the crosswalk; they sue for medical bills, pain and suffering.

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Stay informed with the latest breaking news and headlines.

Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

Police investigate a driver that's asleep at the wheel; police track down a stolen car; several police are needed to apprehend a man with barricaded in a house.

A speeding vehicle causes a head-on collision with another cop car; a man with cancer is found with copious amounts of weed; police are forced to deploy a taser on a difficult suspect.

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When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

Amy realizes she has feelings for Penny's ex; Koothrappali and Wolowitz try to prove who would be a better superhero.

Penny tries to throw a wrench into Leonard's plan to be a sperm donor for her ex-boyfriend; Wolowitz, Bernadette, Anu and Koothrappali turn Koothrappali's canceled bachelor party into a couple's trip aboard the "vomit comet."

Charlie cons Jake into taking ballet lessons in order to get close to the teacher.

Darlene brings Nick to the hardware store, where they run into Ben, who invites Nick to join him at The Lunch Box to watch a Bears game; Dan tries to spruce up the bedroom while Louise is out on the road; Jackie meets Logan's mom.

Darlene brings Nick to the hardware store, where they run into Ben, who invites Nick to join him at The Lunch Box to watch a Bears game; Dan tries to spruce up the bedroom while Louise is out on the road; Jackie meets Logan's mom.

A cold case is officially closed when a killer makes a shocking courtroom confession for a 50-year-old crime; an angry defendant takes on the judge, prosecutor and everyone else in his path; a widow seeks her own brand of courtroom justice.

A man sues his former landlord for a false arrest after a heated argument.

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Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

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Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

Players from rival cities try to hit the best bonus squares for a chance to take home the $10,000 prize.

A former high school Quiz Bowl coach sees if he can ace the test.

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When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

Leonard's idea for a smartphone application causes friction in his friendship with Sheldon.

The gang uses deception and betrayal to make it to the one open seat at Wil Wheaton's celebrity Dungeons and Dragons game with William Shatner, Joe Manganiello, Kareem Abdul-Jabbar and Kevin Smith.

Charlie tries to stop Jake from giving money to a televangelist; Alan is propositioned by one of Charlie's elderly neighbors.

Darlene continues to navigate her breakup with Ben; Dan offers to talk with Aldo's dad when he doesn't approve of Harris and Aldo's relationship.

Darlene continues to navigate her breakup with Ben; Dan offers to talk with Aldo's dad when he doesn't approve of Harris and Aldo's relationship.

A police confrontation with an armed gunman ends with deadly consequences; a no-nonsense judge makes a shocking revelation during sentencing; a convicted killer explodes in court.

The Judge rules on two cases in this episode; in the first proceeding, a woman passes away on Mother's Day leaving her grieving son scrambling to pay for funeral expenses; in the second case, a woman sues her trainer for a personal loan.

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Chris Schauble, Megan Henderson and Henry DiCarlo give viewers their take on the tech trends, superhero news, healthy headlines and more; they show their favorite Southern California spots while discovering more.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Join KTLA Entertainment Reporter Dayna Devon and friends as they discuss the unique and fun lifestyles of the Los Angeles area.

Featured magicians include Michael Pharoah, Xulio Merino, Topas and Toby Rudolph.

Featured magicians include Chipper Lowell, Dan Sperry, Mike Hammer, Ivan Amodei, Joel Meyers, the Mysterious Maks, Michael Bloemeke and My Uyen.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

Bernadette runs into her ex-boyfriend (Rick Fox) while attending a science event with Wolowitz.

When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is left in charge of the kids; Sheldon finds a book about experimenting on kids.

Alan organizes a family dinner to celebrate a newspaper article that calls him a good doctor, good neighbor and a good guy; it does not impress his mother.

Darlene falls in love with a house she's looking at; when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.

Darlene falls in love with a house she's looking at; when the realtor shares she has a better chance of getting the house if she's part of a couple, she convinces Ben to pretend to be her partner.

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Trusted brand Jacuzzi Bath Remodel and interior designer Christina Hall share their secrets on how you can easily and affordably transform your bathroom into a gorgeous custom, safe, stylish space in 1 day! Call for a FREE quote & installation.

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Elizabeth Stanton takes a look at the very latest in the world of pop entertainment, plus exclusive interviews, trends and gossip.

Laura travels the Far East to track down some amazing antiquities, including handcrafted silks, woodcarvings, and umbrellas in Thailand; Terracotta Warriors of Xian, China; the Red Fort of Old Deli in India; the legendary city of Istanbul.

KTLA Morning News anchor Jessica Holmes is in the kitchen whipping up California-inspired dishes.

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From John Paul Jones Arena in Charlottesville, Va.

From Lenovo Center in Raleigh, N.C.

From JMA Dome in Syracuse, N.Y.

A pre-race lead-up to NASCAR racing.

From Phoenix Raceway in Avondale, Ariz.

When you're young and single in the city, your friends are your family. A tight-knit group of friends living in Manhattan -- three girls and three guys -- navigate the complexities of adulthood and rely on the companionship, comfort and support they get from each other to deal with the pressures of life.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

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Stay informed with the latest breaking news and headlines.

Player interviews; discussing matchups.

Sheldon gives spontaneity a try, which causes unexpected friction for Penny, Bernadette and Amy; Raj asks Howard for help with preparation for a date with Emily.

Professor Proton (Bob Newhart) helps Sheldon deal with grief; Leonard gets into a competition with Penny; Bernadette and Amy prepare a "Star Wars Day" gift for the guys.

Darlene makes a decision about her trip to Hawaii, leading to a heated encounter with Barb; Becky gives a presentation on addiction to Mark's class.

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Every five seconds there's a victim of identity theft; LifeLock helps alert, restore identity, and reimburse lost funds-leading the way in protecting families every day.

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Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

Two proposals bring change to the Conner family; Jackie uses her "Jeopardy!" infamy to her advantage.

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Stay informed with the latest breaking news and headlines.

Programming to be announced.

Programming to be announced.

Programming to be announced.

From Royal Pin Woodland in Indianapolis.

Panama's unique ecosystems are home to bats, sloths, sea turtles and poison dart frogs; the Panama Canal connects the Atlantic and Pacific Oceans.

Breeding cheetah cubs in South Africa; rare African wild dogs.

Leonard keeps an affair a secret from Sheldon, Howard and Raj.

Sheldon's interview with the FBI jeopardizes Wolowitz's security clearance.