Comedian and actor George Wallace takes the stage.

Ed Lover ("Yo! MTV Raps") performs stand up.

Actor and comedian Billy Gardell ("Mike & Molly") performs; also featuring Miguel Dalmau, Clayton Fletcher, Drew Fraser and Danny Cohen.

Comedian Elayne Boosler performs; Mike Cross, Ali Siddiq and Jen Kober also appear.

Michelle Collins ("The View") performs; Travis Howze, and John Bush also appear.

Ellen Cleghorne ("Saturday Night Live") performs stand up.

Flex Alexander ("Snakes on a Plane") performs; Mike Young, Tanael Joachin, Matt McClowry and Taylor Tomlinson also appear.

Kathleen Madigan ("Last Comic Standing") performs; also featuring Taylor Ketchum and Royale Watkins.

Michael Che ("Saturday Night Live") performs; also featuring Ed hill, Kelly MacFarland and Mark Poolos.

Reno Collier hosts live and uncensored standup.

Bill Engvall takes the stage; also featuring Jen Murphy, Beth Stelling and Jason Lawhead.

Lewis Black hosts a night of comedy featuring performances by Jim Colliton and Erin Foley.

The 100th episode features performances by Artie Lange, Gilbert Gottfried, Jackie "The Joke Man" Martling, Mario Cantone and Orlando Jones. Also: Bill Engvall, Tom Arnold, Susie Essman, Lewis Black, Jay Mohr, Tommy Chong and Margaret Cho appear in a collection of clips from the past five seasons.

Host: Jim Florentine