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A major security breach in the city's computer networks forces Firehouse 51's senior leaders to take matters into their own hands; Severide gears up for an arson investigation.

Crimes from across the country that have been captured by ordinary people on their smartphones; stories of victims, witnesses, law enforcement and the videographers themselves.

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Alan Cumming stops by for a chat; Kim Fields is here; tips on hidden kitchen dangers; Sadie Sink talks with the hosts.

ABC's "World News Now" brings one overnight breaking news, weather, politics, and the stories and video people will be talking about in the day ahead.

ABC's "Good Morning America First Look" brings one overnight breaking news, weather, politics, and the stories and video people will be talking about in the day ahead.

GMA Game Day: Countdown to the Superbowl -- Houston Texas; Viral Food Trend: Frozen Coffee with Lori Bergamotto; Deals & Steals with Tory Johnson.

Holly Hunter drops by the studio; Walton Goggins is here; tips on pet longevity.

Kara Swisher guest co-hosts; actors Marlon and Shawn Wayans ("Scary Movie").

Actor Steve Way; journalist Michael Grynbaum; GMA Game Day: Countdown to the Superbowl -- Houston Texas; Deals & Steals with Tory Johnson.

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Stay informed with the latest breaking news and headlines.

Carly makes a realization; Anna introduces Tristan to Josslyn; Liz opens up to Dante; Lulu has words with Valentin; Ric spirals.

A dispute erupts when a mother demands repayment for a cosmetic surgery procedure that her daughter argues was a gift.

A man says his ex-girlfriend damaged his phone in a fit of jealousy; a dispute between comics over contest prize winnings; accusations of stealing a joke.

A faulty light fixture flips the switch on a heated dispute: A homeowner says a handyman charged too much for shoddy, unfinished work, while the handyman argues that he fixed the problem and got stiffed on payment; now the judges must shed some light on the truth.

When co-workers mix friendship with finances, things get messy -- especially when one says she was conned into paying the other's rent; she says it was a loan with a deadline, but the other says it was a gift with no strings.

A teacher denies leaving her child in her car, which somehow crashed into a co-worker's vehicle; a landlady accuses a tenant of throwing trash from her balcony.

A woman says her ex-friend took back the horse he promised her; a car dealer sues a man and his mother for the balance on cars he sold to each of them.

Delivering the news that matters most.

Stay informed with the latest breaking news and headlines.

A syndicated news magazine includes investigative reports, interviews with newsmakers, human interest stories and celebrity and pop-culture features.

News and features about performers, productions and the milieu.

Celebrity contestants Bow Wow, Rickey Smiley, Steve Aoki and Joel Kim Booster.

Host Elizabeth Banks can't wait to raise a glass to the contestants as they try to avoid the WHAMMY.

Players debate the most important invention of all time; Nate corrals shopping carts and meets a pet dinosaur.

Stay informed with the latest breaking news and headlines.

Guest host Rosie O'Donnell; actors Megan Mullally and Nick Offerman; actor Shawn Hatosy; actor Sydney James Harcourt; Bella Brown sits in with The Cletones.

In-depth reporting on one or more of the major stories in the news, with occasional segments on pop culture; journalists Juju Chang and Byron Pitts share hosting duties for this late-night program.

The weekday news magazine takes an in-depth look at topics from politics to personal finance, featuring watchdog reports about government corruption and failures, consumer alerts and health care issues.

Exploring the challenges and triumphs of aging, and celebrating the wisdom, strength and beauty that come with life's later stages.

Gallo clashes with the new lieutenant temporarily filling in for Casey; Severide closes in on a dangerous and deadly arsonist.

Crimes from across the country that have been captured by ordinary people on their smartphones; stories of victims, witnesses, law enforcement and the videographers themselves.

Paid programming.

Holly Hunter drops by the studio; Walton Goggins is here; tips on pet longevity.

ABC's "World News Now" brings one overnight breaking news, weather, politics, and the stories and video people will be talking about in the day ahead.

ABC's "Good Morning America First Look" brings one overnight breaking news, weather, politics, and the stories and video people will be talking about in the day ahead.

Author Jack Carr; 75 Days: Fergus Farrell Walks Across the Country with Will Reeve; The Right Stuff series with Lori Bergamotto.

Patrick Dempsey swings by; Katherine LaNasa chats with the hosts; Charles Melton is here; Aloe Blacc and Eric Hirshberg perform.

Actress Sally Field; actress Jamie Lynn Sigler.

Author Jack Carr; 75 Days: Fergus Farrell Walks Across the Country with Will Reeve; The Right Stuff series with Lori Bergamotto.

Paid programming.

Stay informed with the latest breaking news and headlines.

Drew offers an olive branch; Ava reassures Portia; Sonny pays a surprise visit; Jordan gets a vote of confidence; Laura makes a request of Rocco.

Roommates argue over costs incurred after one takes a set of keys intended for the other; an audio engineer seeks a refund because he was sold faulty equipment.

A woman resists returning her ex-boyfriend's car because he never repaid her for repairs; a private soccer trainer seeks payment for his services.

A rental arrangement collapses after a sudden move-out leaves the property in rough shape; the landlord says he kept up repairs, while the tenant says the place was never properly maintained; with dents, debris and dueling stories, this rental ruckus is about to get swept into court.

A man says his mother was just being supportive by paying his legal fees, but she wants her money back.

A young defendant tells an unbelievable story about how his sister "offered" to help pay for his girlfriend's boat; an ex-lover accuses a disabled woman of false arrest for assault.

A couple accuse their landlord of robbing them of their dream to be foster parents; after a fight between a tenant and a landlord, roommates must battle over car damage, missing property and unpaid wages.

Delivering the news that matters most.

Stay informed with the latest breaking news and headlines.

A syndicated news magazine includes investigative reports, interviews with newsmakers, human interest stories and celebrity and pop-culture features.

News and features about performers, productions and the milieu.

From Empower Field at Mile High in Denver.

Stay informed with the latest breaking news and headlines.

Emmy-winning funnyman Jimmy Kimmel serves up comedy bits and welcomes guests that include other comics, celebrities, athletes and musicians, as well as everyday people with unusual or compelling personal stories. Kimmel's family and friends take part in the festivities, including his Cousin Sal, Uncle Frank (until his death in 2011) and childhood friend Cleto Escobedo III, who leads the show's hou

In-depth reporting on one or more of the major stories in the news, with occasional segments on pop culture; journalists Juju Chang and Byron Pitts share hosting duties for this late-night program.

Ike Barinholtz, Steven Weber and Mina Kimes compete in the season finale.

The weekday news magazine takes an in-depth look at topics from politics to personal finance, featuring watchdog reports about government corruption and failures, consumer alerts and health care issues.

Exploring the challenges and triumphs of aging, and celebrating the wisdom, strength and beauty that come with life's later stages.

Crimes from across the country that have been captured by ordinary people on their smartphones; stories of victims, witnesses, law enforcement and the videographers themselves.

Paid programming.

A man makes all kinds of accusations against his ex-wife; a man denies doing drugs, but his ex-landlord says he used marijuana.

A struggling mother denies trying to scam the government; a man retires and lets his son move into his old house, only to fight with him over the rent.

Paid programming.

Orion Samuelson and Max Armstrong recap the nation's top agriculture news, weather and markets.

Discovering hummingbirds in Ecuador; an island of Magellanic penguins in Chile; magpie geese and giant emus in Australia; meeting birds of prey at a raptor rescue center in South America.

Two-time Olympian turned sports medicine specialist Dr. Seun Adigun; Harvard neurosurgeon Dr. Theresa Williamson; UNC field hockey coach Erin Matson.

Early morning news and entertainment program that covers important issues with key figures from around the world and a wide spectrum of topics, including medicine, finance, consumer issues, computer technology, education and gardening.

Author Naima Coster; student loan payoff strategies with Dr. Sonia Lewis; ABC Secret Savings; Deals & Steals with Tory Johnson.

Three children are swept into a flash flood; a woman's car rapidly fills up with rising floodwaters.

Art and the team give two female police officers home renovations to help them decompress and recharge outside of their uniforms.

Paid programming.

Paid programming.

A man makes all kinds of accusations against his ex-wife; a man denies doing drugs, but his ex-landlord says he used marijuana.

A struggling mother denies trying to scam the government; a man retires and lets his son move into his old house, only to fight with him over the rent.

Pre-match analysis of LaLiga contests.

From RCDE Stadium in Cornellá de Llobregat, Barcelona, Spain.

Paid programming.

Severide and Herrmann clash over office space; Boden looks at Pelham's past as he considers making him permanent; Gallo's resentment of Pelham comes to a head; Brett and Ritter force Violet to confront her true feelings for Gallo.

Delivering the news that matters most.

Stay informed with the latest breaking news and headlines.

News and features about performers, productions and the milieu.

As Athena and Hen navigate their way back home, Athena will be forced to confront what it means to live without Bobby.

Following Hen's firing, Chimney grapples with his decision and how it has affected the team; a new AI call center assistant, meant to help, has begun to create more complications, and the 118 must intervene.

Hen continues to seek out a diagnosis for her mysterious symptoms; Harry hits a wall in his attempts to complete the academy firefighting exam and looks for some much-needed motivation.

Stay informed with the latest breaking news and headlines.

Nolan is given some life-changing news and invites Grace over for a home-cooked meal in his newly remodeled kitchen; each unit is tasked with following up on dormant cases in hopes of uncovering new leads.