Seasons & episodes

Dave admits that he's getting tired of the beard, then confesses to feeling sick over his new "feud" with Rosie O'Donnell; Dave and Donald Trump talk football; talent coordinator Sarah Billington appears on "Know Your Staff"; Shooter Jennings performs "This Ol' Wheel."

Tom Hanks and Mike Huckabee are the scheduled guests.

Lucy Liu and MGMT are the scheduled guests. Plus, Bill Medley (of Righteous Brothers fame) sits in with the band!

Morgan Freeman and Chuck Prophet are the scheduled guests.

Howard Stern and Ayo are the scheduled guests.

Tracy Morgan, Kat Von D, and Dropkick Murphys are the scheduled guests.

Katie Holmes, Frank Caliendo, and Maroon 5 are the scheduled guests.

An audience member claims to know Dave's ex-wife, who apparently now lives in Florida; the show is again interrupted by radio transmissions from Lt. Len Easton of the California Highway Patrol; Mike McIntee and Harold Larkin play "Can Two Guys and Their Dead Friend In An Office Chair Hail a Cab?"; Don Rickles plugs his DVD Mr. Warmth and throws a few zingers at Dave and fellow guest Denzel Washington.

Throughout the night, Tony and Dave play the Spanish-language version of "Wheel of Fortune"; Michael Douglas talks skiing and plugs King of California; an old AC/DC song is butchered on "Gary-oke with Gary Mintz"; Wyclef Jean performed "Sweetest Girl."

Sylvester Stallone, the Teutul Family, and The Mars Volta are the scheduled guests.

Dave begs Gaines to stop feeding in phone calls from the California Highway Patrol, which interrupts the show three times. Also, in her first Letterman appearance in two decades, Diane Keaton kisses Dave and admits to being astounded by her costars in the movie Mad Money.

The Bruce Willis Secret Word of the Night is "Muffin"; during an audience Q&A segment, one man flips out over Chris Dodd's decision to drop out of the presidential race; Sarah Michelle Gellar shows photos from a recent vacation; Dan Patrick plugs his new column in Sports Illustrated; Ringo Starr (featuring Dave Stewart) performs "Liverpool 8."

Senator John Edwards, Diablo Cody, and Josh Ritter are the scheduled guests.

Charles Grodin, Lawrence Tynes, and The Redwalls are the scheduled guests.

Lt. Len Easton is caught annoying Dave and interrupting "Larry King Live"; Dave is repeatedly distracted by a photo of Mitt Romney; Andy Kindler visits a life coach; Sen. Barack Obama presents the Top Ten (via satellite); Dave gives an audience member a pizza; Super Furry Animals performed "Neo-Consumerism."

Nathan Lane and Jake Johannsen are the scheduled guests.

Jessica Alba, Julie Chen, and The Whigs are the scheduled guests.

Lt. Len Easton calls up C-SPAN's "Washington Journal"; Bill Cosby shares an antedote about his recently deceased mother; teen jazz prodigy Matt Savage and his trio perform "El Fuego."

An audience member gives Dave a gold hat, which Paul wears; Lt. Len Easton pops up on "Sex Talk with Sue Johanson"; a clothing-optional airline is the subject of several gags, including the Top Ten; two more audience members react poorly to the latest election news; Dr. Phil discusses viral encephalitis and his botched "chat" with Britney Spears; Gary Allan performs "Watching Airplanes."

Eva Longoria and Colbie Caillat are the scheduled guests. Plus, Stupid Human Tricks!

Paris Hilton, Artie Lange, and Vampire Weekend are the scheduled guests.

Dave discusses at length the New York Giants' upset Super Bowl victory; Senator Hillary Clinton jokes that her choice of running mate has come down to Dave or Regis; Sheryl Crow performed "Love is Free."

Matthew McConaughey, Gary Mule Deer, and Sheryl Crow are the scheduled guests.

Eli Manning and A Fine Frenzy are the scheduled guests.