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Claire and Phil plan a Valentine's Day excursion; Jay takes Gloria to a comedy show; Cameron and Mitchell try to play cupid for Manny.

Sheldon attends his first comic book convention; Mary tries selling makeup.

Penny and Leonard have a fight that threatens their relationship; Sheldon and Wil Wheaton face off once again.

When Amy's parents and Sheldon's family arrive, everybody is focused on making sure the wedding arrangements go according to plan -- everyone except the bride and groom.

The auditions come to a close as eight amateur home cooks prove their worth in the kitchen by transforming ordinary ingredients into standout dishes.

Frank spends the day with influencer and park benefactor Roman Park ahead of the grand opening of their annex kennel; friction arises within the newly combined precincts when Emily assigns Templeton, Shred and Patel to work together.

Capt. Maggie invites her idol, Gen.Martin, to the base in hopes of pitching herself as a mentee; things get complicated when the Colonel and Gen. Martin develop an immediate attraction toward each other.

News from Rochester.

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.

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.

TMZ TV tracks down today's hottest stars with their cameras, whether they are hitting the clubs or the dry cleaners.

Paid programming.

Claire and Phil decide to reprise their role-playing adventure from the previous year; Jay's elaborate Valentine's surprise for Gloria keeps getting held up; an admirer comes between Cameron and Mitchell.

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit; Missy asks George Sr. to teach her how to play catch.

Amaro suspects the boyfriend of a missing girl is involved with a gang; Sgt. Benson becomes the SVU's new commanding officer.

When a woman is found dead behind a construction company, investigators begin a methodical hunt to track down her killer.

Cassandra's boyfriend kills her to stop her from leaving with their baby.

Taylor confronts her ex, who she says date raped her and posted a video of the attack on social media; Dawn says her children's father raped her while she was unconscious, but he denies it and wants to prove he never raped her.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

R&B legend Karyn White and acclaimed therapist Rene Mondy discuss their new venture; actress Susan Lucci opens up about her revealing memoir "La Lucci"; author Misha Brown ("Be Your Own Bestie"); can't-miss giveaways.

Olivia says her marriage with Benet fell apart after Benet attended a bachelor party and crossed two major boundaries they had agreed upon; Jersey says her life has been turned upside down by online attacks, and she's convinced her former best friend Jaylen is responsible; Jaylen denies it and says he's been unfairly blamed.

After Erica became pregnant, Walter discovered secret messages between her and one of his best friends that cause him to question whether he's the father of her daughter; after finding sex videos of NaSha with other men on her phone, Jovante is now questioning the paternity of the child he thought was his miracle.

Q denies Alicia's 3-year-old daughter and wants DNA and lie-detector tests; Tasha's estranged husband accuses her of sleeping with random men and denies being the father of her three children.

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.

Sandra says she's had it with Cedric's lies, the late-night calls from random women, and a lingering ex.

A buyer says he was left dead in the water after purchasing a boat engine that wouldn't fire up; the seller argues that the sale was "as-is" and says the buyer sank any refund hopes by dismantling the motor; it's left to the judges to decide who's charting the truth and who's drifting off course.

A woman says neighbors' overgrown plum tree damaged her fence, and they refuse to pay for stump removal or a replacement fence; the defendants say the tree is located on both properties and replacing the plaintiff's fence is not their responsibility.

Teens accused of stealing from their grandmother point the finger at another family member; bus-camera footage captures a brutal collision between a car and a cyclist, revealing who is at fault.

A disgruntled poker player denies breaking into the host's home and stealing property, despite incriminating evidence; a man accuses his former roommate of stealing wine and bedding and disrespecting the household.

"Bitter Over a Birthday Party.".

Claire and Phil's Valentine's Day romp ends with Claire in the hospital; Jay and Gloria's attempts at romance are interrupted by the kids; after hosting a wild party, Cam and Mitch are left with hangovers and a new housemate.

Sheldon makes friends with his dorm neighbors; George Sr. learns his job is in jeopardy.

Sheldon goes to extremes to keep Leonard and Penny happy when they stop speaking to each other.

Sheldon and Amy's honeymoon runs aground in New York; Penny and Leonard discover they are uncomfortably similar to Amy's parents; Koothrappali insults physicist Neil deGrasse Tyson and starts a Twitter war.

From Kohl Center in Madison, Wis.

News from Rochester.

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.

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.

TMZ TV tracks down today's hottest stars with their cameras, whether they are hitting the clubs or the dry cleaners.

Paid programming.

Claire senses Phil may be more into "Juliana" than her; Gloria's sister visits; Mitchell and Cameron get into a situation with Anders.

Meemaw meets Dale's ex-wife, June; Sheldon is forced to work on a group project with reluctant college students.

The already frantic search for a missing diabetic boy becomes more urgent when he is spotted with a couple known for child endangerment and pornography.

A Wisconsin pharmacist is found shot in his bed beside a knife-pinned note, igniting a lengthy hunt that veers through feuds, barstool boasts, and a chilling intruder theory before the true killer is finally unmasked.

A retired wife is found dead by her husband in their home; police suspect an accidental overdose.

A political commentator and nationally syndicated columnist continues in the tradition of the 1994 Republican Revolution.

Paid programming.

Paid programming.

Paid programming.

How animals like the peregrine falcon and cheetah reach their top velocities; the incredible abilities of some lesser-known speedsters, like the African secretary bird, cottonmouth snake, sailfish, and tiger beetle.

A new type of glass inspired by spiders; a unique farm delivers produce at a lower cost than traditional farms.

Emily looks at planets and moons that are extremely inhospitable.

Sea otters at the Seattle Aquarium; mantis shrimp in Australia; in Florida, a researcher combs the beaches to find and protect turtle nests.

Rosie the pug is fitted with a prosthetic after being adopted from China; a dog named Bailey gets a brace.

Projects created using freezing temperatures; homemade ice pops; fog machine; shattering a metal pipe with the power of cold.

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.

Cut up to HALF the cost of your monthly cell phone bill. Same Towers. Same Coverage. But a LOT less money. It sounds great but is it too good to be true? Join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

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.

Cut up to HALF the cost of your monthly cell phone bill. Same Towers. Same Coverage. But a LOT less money. It sounds great but is it too good to be true? Join myth-busting legend Kari Byron as she takes on Big Wireless to save you money.

From Daytona International Speedway in Daytona Beach, Fla.

Highlights and analysis of the day's college basketball action.

From Carver-Hawkeye Arena in Iowa City, Iowa.

Highlights and analysis of the day's college basketball action.

From Bridgestone Arena in Nashville, Tenn.

Stay informed with the latest breaking news and headlines.

Pharma's influence in medical publishing; the drop in crime rates; a hack-free GPS.

From The Grange Golf Club in Grange, South Australia, Australia.

Featuring musical artists and bands from all musical styles; through interviews, host Eric Dahl takes viewers in-depth on their new releases, tour and event information, special projects and charitable endeavors.

Phil calls upon his alter ego to inject some sizzle back into his marriage; Jay shows favoritism in his parenting; Haley and Sal try to stand up to men in their lives.

Paid programming.

Paid programming.

In 1979, Kim Bryant's body is discovered in the Las Vegas desert; it takes law enforcement 40 years to name her killer.

A battle erupts in the neighbourhood between the Coopers and the Sparks when Sheldon is terrorised by the Sparks' new dog.

Sheldon keeps tabs on Meemaw's budding relationship with Dr. Sturgis; George Sr. and Mary attempt to bond with their other children.

Paid programming.

Inspiring stories featuring veterans, first responders, teachers, healthcare workers and others that range from historical perspectives to current stories of bravery, perseverance, compassion and joy.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Religious service.

Learn what's behind mental decline with age, and how to improve memory, focus and concentration with NeuroQ's Darrin Peterson and Dale Bredesen MD.

Managing stormwater; soft robots.

Anchor Shannon Bream interviews the biggest newsmakers of the week and leads guests in providing context and analysis of the issues facing Americans.

Pharma's influence in medical publishing; the drop in crime rates; a hack-free GPS.

Sports show.

Local and national perspectives on the latest news.

The "National News Desk" presents a portrait of a nation that is striving, evolving, and inspiring; inviting viewers to reflect on their role in shaping America's next chapter.

NASCAR fans get the very latest on the day's big race with this preview show featuring up-to-the-minute analysis, driver interviews, predictions and more. Host Shannon Spake is joined by analysts Chris Myers, Adam Alexander, Kaitlyn Vincie, and others.

Daytona International Speedway meets Speedweeks for the 68th Daytona 500. This 200-lap classic features a 41-car field led by two-time defending winner William Byron and reigning Cup Series champion Kyle Larson on the 2.5-mile superspeedway.

The "National News Desk" presents a portrait of a nation that is striving, evolving, and inspiring; inviting viewers to reflect on their role in shaping America's next chapter.

Eight social media chefs level up corner store staples and try to cook their way to the top kitchen.

Marge enters Santa's Little Helper into the national dog show in Philadelphia; Homer and Kirk go into business together.

Mark learns to ride a bike and finds a hidden Dutch enclave; Tammy helps Leanne plan her "divorce-lorette" party.

Lois and Stewie finally understand each other -- thanks to Brian's edibles -- and explore and try to explain their complicated relationship.

Stay informed with the latest breaking news and headlines.

Pharma's influence in medical publishing; the drop in crime rates; a hack-free GPS.

Local and national perspectives on the latest news.

Ernie talks to people about what they wish they knew earlier in life; panel discussion about the importance of good mental health; philanthropist Michael Bloomberg donates $600 million to black medical colleges and universities.

Inspiring stories featuring veterans, first responders, teachers, healthcare workers and others that range from historical perspectives to current stories of bravery, perseverance, compassion and joy.