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Sheldon joins Dr. Linkletter and Dr. Sturgis on a science road trip; Georgie continues to lie about his age.

Sheldon starts an internet flame war; Missy stands up to the boys on her baseball team; Meemaw is unhappy when George Sr. spends time with her new boyfriend.

A pre-race lead-up to NASCAR racing.

The NASCAR O'Reilly Auto Parts Series heads to Daytona International Speedway for the Winn-Dixie 250. The race features a 100-lap, 250-mile race as drivers battle for crucial position heading into the upcoming playoffs in Daytona Beach, Florida.

Local and national perspectives on the latest news.

Jerry gives George advice on breaking up and then finds himself in the same boat.

Leonard is less than thrilled when Penny considers accepting a job offer from Zack, her ex-boyfriend.

Abishola turns to Gloria and Kemi when Bob mortgages their home to pay for a new factory space; Kemi worries that she and Chukwuemeka are losing their spark.

As Mark's graduation approaches, he considers his relationship with his father; Louise plans a big graduation ceremony at the Lunch Box.

Stay informed with the latest breaking news and headlines.

The adults struggle to make it to a hot new restaurant in time for the reservation Jay pulled a lot of strings to get.

Jay and Manny oppose Gloria's decision to hire a male nanny; Phil and Jay try to cheer up Frank; Mitch and Cam ask Pepper to help plan their wedding.

Charlie goes on a double date with Jake and sets Alan up with a prostitute; Charlie runs into trouble when he can't remember his date's name.

When Charlie swears his love to Chelsea (Jennifer Taylor), her response is nothing like what he'd expected.

Sheldon and Amy await big news.

Recently released on bail, a middle-aged man returns to a home he's been ordered to stay away from and allegedly attacks; after a miraculous recovery, a traumatized teenage girl and her mother wonder where Harry Rajkumar is.

An inner-city community is devastated when a much-loved public servant's life is cut short in a daylight shooting; Toronto Police commence a massive manhunt for the accused killers.

Lameerial demands a DNA test to prove Ray Ray is her son's father, but he claims the child resembles her ex; Deja thought motherhood would change Andre's commitment to polyamory, but he disagrees: can Karamo help them find answers or closure?

Paid programming.

A farm animal with a prosthetic leg; a caregiver helps native species get a second chance; the Hannas' old family farm.

A colorful Ecuadorian market; a rehabilitation center for injured and orphaned owls, eagles and condors.

Rábida, the red island in Ecuador's Galápagos Islands; Darwin's finches; sea lions; pelicans.

Spider monkeys; jungle survival skills; a night hike in search of insects and amphibians.

The birth of a nyala antelope; endangered rhinos; dung beetles; a cheetah on a kill; Zulu warriors.

A jaguar and its newborn cub; condor conservation.

Paid programming.

Paid programming.

Claire encourages Jay to go to ClosetCon, where he is reunited with former colleagues; for the first time, Cam takes Lily and Mitch to the Tucker farm.

Max McNeely, son of the host of the long-running program "Outdoorsman With Buck McNeely," welcomes celebrity guests into exotic locations where they participate in outdoor activities, including hunting and fishing. Some of the locations Max and Buck have visited over the years include Siberia, New Zealand and Brazil with guests such as singer Barbara Mandrell, former wrestler and politician Jesse

Argentina - one nation, two kings; Luka Modrić - Croatia's hero who rose from the ashes of war.

Hosts Gregg Murphy and Wes Hall compare sports legends of the past to those of today.

Meet the next generation of superstar female athletes around the country as we go behind the scenes to shine the light on them and their interests off the field, along with catching up with the female legends who paved the way for all this growth.

The 10 greatest number 7s - from Beckham and Best to Cantona and Cristiano.

A stunt driving diva; an out-of-control snowmobile; a guy who will do anything to get out of school; a humpback smackdown.

As the church congregation gossips about Georgie, Missy stands up for her brother; Sheldon is distracted by the family drama.

Sheldon struggles to cope with his first signs of puberty; Mary and George Sr. both hunt for new jobs; Georgie and Meemaw take a business trip across the border.

The family goes to the annual school fair; Phil and Claire each plan a separate surprise for their 20th wedding anniversary; Haley has an awkward encounter.

Pregame analysis, along with highlights from other college football games around the country.

The Florida State Seminoles host the New Mexico State Aggies in Tallahassee, Florida. Both teams play their first game after Florida State fell 40-21 to Florida and New Mexico State lost 31-24 to Middle Tennessee to close out last season.

The housekeeper's beautiful granddaughter comes to work with her and attracts the attention of the men; Alan tries to convince Judith that Charlie's house is good for Jake.

When Bob accidentally reveals Morenike is gay, Abishola and Kemi are forced to defend her against their church, and even their own families; Douglas comes clean to Olivia about not being poor.

Bob is surprised when Abishola's medical school plans include going to Baltimore -- with or without him.

Alan reluctantly agrees to a makeover after running into his ex-wife and her new beau; when the brothers go shopping, they clash over what to buy.