Adam McKay introduces a clip at the 2011 Mark Twain Prize wherein Will Ferrell and the other 'Presidents' from SNL pay a visit to the White House in support of financial reform.

Conan O'Brien introduces a clip at the 2011 Mark Twain Prize wherein Will Ferrell delivers an impassioned speech to the Harvard class of 2003

Will Ferrell accepts the 2011 Mark Twain Prize for American Humor.

The Mark Twain Prize celebrating Will Ferrell opens with Jack Black singing his version of 'We Will Rock You'

The stars decide- flight or invisibility?

Paul Rudd decides who would win in a kung-fu fight between Ron Burgundy and Jim Lehrer

WEB EXCLUSIVE- Paul Rudd answers the question -- when did Will Ferrell make you laugh the hardest? Ferrell,is this year's recipient of the Mark Twain Prize for Humor. Show airs on PBS stations nationwide on Monday, Oct. 31 (check local listings for times)

Tim Meadows introduces an outtake from Saturday Night Live at the 2011 Mark Twain Prize wherein Will Ferrell sings a song with Shaq.

The stars answer, 'Why watch the Mark Twain Prize?'

The stars give a shout out to Will

The event is created by the Kennedy Center, and executive producers Mark Krantz, Bob Kaminsky, Peter Kaminsky, and Cappy McGarr. The Kennedy Center established The Mark Twain Prize for American Humor in October 1998, and it has been televised annually..

Paul Rudd, Billie Joe Armstrong, Molly Shannon, Adam McKay and Ed Asner remember meeting Will for the first time. Watch the Mark Twain Prize Oct. 31 @ 9pmET.

Watch as Gwen Ifill talks about Will Ferrell at the Fourteenth Annual Kennedy Center Mark Twain Prize, airing on PBS stations nationwide on Monday, October 31 at 9 p.m. ET.

Jon Hamm, Fred Armisen, Steve Carell, Steve Martin, Tracy Morgan and Betty White talk candidly about their friend Tina Fey, this year's recipient of the Mark Twain Prize for Humor.

Airs November 14th at 9pm ET

Cake or pie? Steve Martin, Tina Fey, Fred Armisen, Steve Carell, Jon Hamm, and Betty White wrestle with one of the universe's most timeless questions.

Tina Fey accepts the Mark Twain Prize.

Steve Martin discusses Tina Fey's comedic genius at the Mark Twain Prize for American Humor

Tina Fey is being awarded the Mark Twain Prize for Comedy (airing on PBS 11/14). In connection with that broadcast, we asked PBS's Facebook fans and Twitter followers what they would want to ask Tina. Here are her answers to your questions.

Dick Gregory thanks Bill Cosby for his effects on other 'negro' comedians at the Twelth Annual Kennedy Center Mark Twain Prize, airing on PBS stations nationwide on Wednesday, November 4 at 8 p.m. ET.