The Best Episodes of Late Show with David Letterman Season 15

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

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Dave's beard gets a key to the city, courtesy of Mayor Bloomberg; a wayward WGA picketer wanders around in the backdrop; Hal Gurnee's latest Network Time Killer is a "balloon drummer"; Ellen Page plugs Juno; Roger Bart, Sutton Foster, and Chris Fitzgerald perform a song from the musical "Young Frankenstein."

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Tom Hanks and Mike Huckabee are the scheduled guests.

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Morgan Freeman and Chuck Prophet are the scheduled guests.

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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.

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"AMPTP President Nick Counter" and "Writers Guild Executive Director David Young" call a truce... and make out; in tonight's remote, Andy Kindler visits a toy convention; the latest Kid Scientist experiments from Naperville, IL include gravity-defying water and a crudely-built hovercraft; Kenna (featuring N.E.R.D.) performed "Say Goodbye to Love."

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Jim Carrey and Paula Abdul are the scheduled guests.

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

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Former President Bill Clinton plugs his new book and explains why he can't be his wife's running mate; Patti Scialfa performed "A Town Called Heartbreak."

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Dave apologizes to Sue Hum for a pre-show accident; the show is interrupted by a performance of "Mark Twain Tonight!" starring Johnny Dark; Danny Devito plugs his new restaurant; Larry David (in his very first Late Show appearance) comments on Dave's hair; Avril Lavigne performs "When You're Gone."

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In the midst of a citywide taxi strike, a cab is seen carrying people on the its roof and front hood; Biff makes a feeble attempt at seeing Jessica Alba in person; George Saunders plugs his new book; Manchester Orchestra (in their network television debut) performs "Wolves at Night."

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Throughout the show, saxophonist Aaron Bing attempts to break the world record for the longest sustained note (and ultimately fails). Also, Arctic Monkeys perform "Fluorescent Adolescent."

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Jodie Foster, Glen Hansard, and Marketa Irglova are the scheduled guests.

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Prior to the show, Jude Brennan confronts Dr. Phil about Dave's "psychotic tendencies"; Deborah Lynn loses yet again on "Psychic Sandwich"; during his interview with Dave, Dr. Phil discusses at length the reasoning behind celebrity bad behavior; Suzanne Vega performed "Anniversary."

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Viggo Mortensen, Kat Von D, and Daughtry are the scheduled guests. Plus, a special NASCAR Top Ten!

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Martha Stewart and Fred Willard are the scheduled guests. Plus, a special Top Ten from Billy Bob Thornton!

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Dave does an impression of Tony's reaction to an inaccurate monologue joke; Regis critiques' Dave's recent appearance on Oprah and plugs the 20th anniversary of his talk show; Chamillionaire (with a sizable string section) performed "Hip Hop Police."

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Jamie Foxx, Jimmy Smits, and Will.I.Am are the scheduled guests.

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Kate Walsh, Kevin Smith, and Rascal Flatts are the scheduled guests.

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Chris Elliott and Gerard Mulligan drop by to promote their new project, "Bionic Guy"; 7-11 head honcho Jim Keyes comes up with another wacky promotion; Chaka Khan sings "Love Me Still."

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