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After Charlie's license is suspended, Jake becomes his driver; Alan plans to go to Chelsea's birthday party.

Charlie offers Alan pointers on how to break up with a woman.

Joey intervenes when the superintendent, Mr. Treeger, moves to evict Rachel and Monica; Chandler tries to quit a health club.

When Pops goes to the shop with Murray for a little change of pace, he criticizes how Murray does business; Erica and Barry give Adam advice when Dana Caldwell comes over to study.

Beverly and Adam team up to do a mother-son cooking show on public access television; when Barry ruins the one college letter of recommendation he is able to get, Murray must step in to help.

Claire wears herself out trying to make peace between Alex and Haley; Phil sneaks off for a day at the spa; Cameron decides to write a book.

Claire and Phil worry when they learn Luke has befriended their cantankerous old neighbor; Jay tries to avoid attending a symphony concert with Gloria and Manny; Haley baby-sits Lily.

A candid look at how the gossip site operates, bringing viewers into the site's newsroom, where the daily chats take place; viewers present their opinions on the featured topics through social media, phone calls and video chat.

A rare 1936 Zippo lighter prototype; an antique rotary telephone; Chumlee meets Marvel Comics creator and writer Stan Lee.

A 1974 Triumph Convertible; a pair of whale spears; a pair of Popeye water pistols.

Engineering catastrophes and mechanical mishaps during extreme weather.

Meryl Streep and Anne Hathaway ("The Devil Wears Prada 2"); Paul Dano; the cast of "Michael"; Emma Thompson; filmmakers Olivia Newman and Shelby Van Pelt; Jacob Romero; the cast of "Imperfect Women"; Keegan-Michael Key; Amanda Seyfried; Sombr.

Watching whales on Catalina Island; Jack meets a humpback whale, fin whale, dolphins and sea lions.

Jack goes to the Umfolozi Big 5 Game Reserve in South Africa for amazing animal encounters.

The Fiji Islands: using vines to catch fish; creating colorful pearls; the blue-footed booby.

Conservationists at the Loggerhead Marine life Center work to save endangered sea turtles; a nesting leatherback on the beach; a rehabilitated loggerhead is released.

Stay informed with the latest breaking news and headlines.

Stay informed with the latest breaking news and headlines.

From Indianapolis Motor Speedway in Indianapolis.

From East Hampton, N.Y.

A pre-race lead-up to NASCAR racing.

The NASCAR Xfinity Series Pennzoil 250 takes place at the Indianapolis Motor Speedway as part of Brickyard Weekend. The drivers must conquer the 250-mile racecourse broken down over exactly 100 laps around the 2.5-mile asphalt layout.

After graduating from high school, Sheldon has a breakdown when he realizes he may not be ready for college; Dale tries to make amends with Meemaw.

Sheldon gets a summer job at the local train museum; Missy embarks on a new stage of womanhood; Georgie discovers Mary's guilty pleasure.

Sheldon and Leonard must defend themselves from an online bully's criticism after they co-publish a paper; Bernadette, Penny and Amy confront embarrassing moments during a girls night.

While the gang waits for the reopening of Stuart's comic book store Wolowitz gets some shocking news; Penny has trouble taking her own advice; Leonard and Raj think they spot Nathan Fillion at a restaurant.

Your only local, late-breaking news, weather and sports at 7pm.

Highlights from the fourth Republican Presidential debate, with expert analysis of the candidates and a breakdown of the night's top moments ahead of the primary election.

Friends, family and colleagues discuss the life and career of comic Chris Farley, the popular star of "Saturday Night Live" and numerous films.

Sheldon acts as Mary's spy during a youth lock-in at church; Georgie is attracted to an older woman.

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