Gillian Anderson Thought She Wasn't Busty Enough for "The X-Files" | Late Night with Conan O’Brien

Weezer Perform "Undone - The Sweater Song" Live on August 25, 1994 | Late Night with Conan O’Brien

Nick Offerman Won't Laugh | Late Night with Conan O’Brien

Kevin Nealon's Celebrity Lookalikes | Late Night with Conan O’Brien

David Hasselhoff's Embarrassing Footage | Late Night with Conan O’Brien

Linda Blair Remembers "The Exorcist" | Late Night with Conan O’Brien

Natasha Henstridge Teaches Canadian Traditions | Late Night with Conan O’Brien

Conan Hosts the KISS Reunion | Late Night with Conan O’Brien

Jon Stewart Starts His Talk Show Career | Late Night with Conan O’Brien

How Jada Pinkett Smith Keeps It Romantic | Late Night with Conan O’Brien

Radiohead Perform "Fake Plastic Trees" Live on June 12, 1995 | Late Night with Conan O’Brien

Stephen Colbert's Dungeons & Dragons Expertise | Late Night with Conan O’Brien

Keri Russell Rides Bareback | Late Night with Conan O’Brien

John Mayer Feels Like a Large-Breasted Woman | Late Night with Conan O’Brien

Jennifer Connelly's Foot Rub | Late Night with Conan O’Brien

Norm Macdonald and the Bearded Man | Late Night with Conan O’Brien

Hulk Hogan Remembers His Big Break in "Rocky III" | Late Night with Conan O’Brien

"Conan O'Brien and The Osbournes" 2002 Emmy Awards Cold Open

Ozzy Osbourne Cheers Up the "Late Night" Staff | Late Night with Conan O’Brien

Björk Performs "Human Behaviour" Live on November 10, 1993 | Late Night with Conan O’Brien

Norm Macdonald's MTV Beach House Story | Late Night with Conan O’Brien

Paul Reubens Reflects on "Pee-wee's Playhouse" | Late Night with Conan O’Brien

Hugh Jackman's Nude Wolverine Scene | Late Night with Conan O’Brien

Adam West's Thoughts on Tim Burton's "Batman" | Late Night with Conan O’Brien

No Doubt Make Their TV Debut with "Just a Girl" Live on 1/30/1996 | Late Night with Conan O’Brien

Natalie Portman's Stripper Research for "Closer" | Late Night with Conan O’Brien

Dave Chappelle's First Appearance | Late Night with Conan O’Brien

John Goodman vs. George Wendt | Late Night with Conan O’Brien

The White Stripes: "Seven Nation Army" Live on 4/22/03 (HD Premiere) | Late Night with Conan O’Brien

The Interrupter Has Hepatitis | Late Night with Conan O’Brien