MADtv

David Alan Grier and Fred Willard participate in the sketches.

Guest star Tom Bergeron.

Frankie Muniz and Jennifer Coolidge guest star.

Benjamin McKenzie, Adam Brody and Rachel Bilson guest star.

Cedric the Entertainer guest stars in "Funkenstein Against Dr. Jekyll and Mr. Hyde.".

Actresses Elisha Cuthbert and Vanessa L. Williams aid in the comedy sketches.

Director Kevin Smith and professional wrestlers Eddie Guerrero, Chris Jericho, Big Show and Trish Stratus participate in the comic sketches.

TV-show host Bill O'Reilly ("The O'Reilly Factor") guest stars.

Actress Anna Faris ("Scary Movie") adds to the comedic sketches.

Rappers Snoop Dogg and The Bishop guest star; black history month; a sports celebration gone too far; St. Valentine's Day edition of "The Lillian Verner Game Show."

No celebrity is safe during a sketch of "Survivor."

Nicole Richie and Sugar Shane Mosley guest star.

Actor John C. McGinley.

Mexican Mariachi band in Tijuana.

Kathy Griffin guest stars.

Comic Margaret Cho; Macy Gray performs.

Alumni Alex Borstein, Orlando Jones, Artie Lang, Will Sasso and Nicole Sullivan return to celebrate the series' 200th episode; comic Tommy Davidson guest stars.

Jessica Alba guest stars; sportscaster endorses an anti-itch cream; rapper releases his 14th album since his death in 1998; "TRL" sketch.

Interviews from the red carpet of the 55th Annual Emmy Awards; new spin on marriage therapy.

Shaq and the Super Lakers; Jewel video; Lorraine's visit to the beach.