Caustic comic Denis Leary gets a taste of his own medicine when Comedy Central hosts a celebrity roast in his honor, emceed by Jeff Garlin. Dishing out the insults are Christopher Walken, Conan O'Brien, Jon Stewart, Michael J. Fox and more.

The best of Chris Farley's wildly funny SNL performances, including van-dwelling motivational speaker Matt Foley, an aspiring Chippendales dancer, the bashful host of The Chris Farley Show, and more.

Cheech & Chong are invited to a celebrity party in Amsterdam. When they get there, however, it turns out that the guy who invited them has taken off with all the money. They are actually expecting Burt Reynolds and Dolly Parton, so our heroes get to be Mr. Burt and Mr. Dolly.

Sean Hayes serves as roast master as it is Alec Baldwin's turn in the hot seat. Robert De Niro, Jeff Ross, and Caitlyn Jenner among others take jabs at the actor/comedian.

Cheech and Chong, the stoner pair who dominated the comedy scene in the 1970s and ’80s and recently reunited for their Light Up America tour, take their place in the hot seat to be roasted by close friends and fellow comedians. The duo made a name for themselves with their drug-laced humor, which kept audiences rolling in the aisles with such comedy routines as “Earache My Eye,” “Basketball Jones,

A "tribute" to comedian Tommy Chong, given to him by many of his fellow comedians.

It's Donald Trump's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

It's Roseanne Barr's turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

The Shaquille O'Neal Celebrity Roast is a unique urban comedy special that combines the world of sports and entertainment. In an unconventional format, megastar Shaquilee O'Neal rounds up a dream team of some of comedy's hottest stars for an hour of non-stop laughter all at Shaq's expense. Hosted by Grammy award winner and talk show host, Queen Latifah, this hilarious program features a star-studded roster including Cedric The Entertainer, Steve Harvey, D.L. Hugley, Bill Bellamy, Jimmy Kimmel, Joe Torry, Mark Curry, Tommy Davidson, Michael Colyar, Mo'nique, and the legendary Dick Gregory.

It's the "Queen of Mean", Joan Rivers turn to step in to the celebrity hot seat for the latest installment of The Comedy Central Roast.

Phyllis Diller’s brand of comedy is as timeless today as it was in the 1960s, when she became a regular on popular variety and talk shows. From her outrageous costumes to wildly teased hair, Diller was a pioneer among female comediennes, paving the way for future stars. Who can forget her hilarious housekeeping and marriage tips, her beleaguered husband Fang, her cackling laugh and self-deprecating sense of humor? Phyllis Diller: Not Just Another Pretty Face highlights some of her best routines. Special guest stars such as Don Rickles and Dean Martin make this a fun trip back in time.

Several roasters, and the master himself Kevin Hart, make fun of Justin Bieber.