Seasons & episodes

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Paul Thoresen appears again to drop a 55-gallon water balloon on a '94 Chevy LeBaron convertible; Dave and Richard Simmons have another animated interview, in which the fitness guru stands and sings on the guest chair; Richard also appears on another tension-filled edition of "Alan Kalter's Celebrity Interview"; in her first Late Show appearance in 13 1/2 years, Mary-Louise Parker plugs "Weeds" while Dave

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No episode summary available yet.

Penelope Cruz, Randy Newman, Danny Way

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Donald Trump discusses real estate in Abu Dhabi; "WIll It Float?" is played on the roof; Dwayne Kennedy riffs on the possibility of a black president

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Tonight on "Get to Know Delaware," a fun fact about neighboring Pennsylvania; Dave's "son" throws a beer bottle at a green room TV; live from Denver, Biff fails to interview DNC Chairman Howard Dean; Olympic gold medalist Bryan Clay tosses a discus and a javelin at a taxi cab; Little Anthony and the Imperials perform "Hurts So Bad."

Olympic Gold Medalists Kerri Walsh & Misty May-Treanor, Neil Patrick Harris and Nas are the scheduled guests.

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Water-balloon fiend Paul Thoresen drops a 55-gallon bomb on a convertable with three "tourists" (mannequins); the Democratic National Convention is over but Biff's still there; Amy Sedaris obsesses over Dave's shoe tassels; Kim Kardashian describes nearly losing her big toe and plugs Disaster Movie; Brian Regan does stand-up and promotes his upcoming TV special.

Nicolas Cage, Anna Torv, and Terrence Howard are the scheduled guests.

Dr. Phil McGraw, Tilda Swinton, and Tricky are the scheduled guests.

Following the previous night's acceptance speech, Dave admits to underestimating Gov. Sarah Palin; Andy Kindler makes his last report from the GOP convention in Minneapolis; Robin Williams throws in his two cents on the election; Shannen Doherty plugs the new 90210 and describes surviving the Southern California mudslides; Duffy performed "Warwick Avenue."

John Malkovich, Hayden Panettiere, and Steve Earle are the scheduled guests.

Keira Knightley and Thomas L. Friedman are the scheduled guests.

Jada Pinkett-Smith, Chris Russo, and Michael Buble are the scheduled guests. Plus, the second annual NASCAR Top Twelve!

Sen. Barack Obama and LeBron James are the scheduled guests.

Jessica Simpson and Jack Hanna are the scheduled guests.

Throughout the night, Olympic high-jumpers strut their stuff out on 53rd Street; Dave reads from the "Late Show Fun Facts" book, in stores next week; in her first LSDL appearance in seven years, Meg Ryan plugs The Women and shares an anecdote about her daughter; Ricky Gervais promotes Ghost Town and describes doing press junkets for the movie.

Former President William Jefferson Clinton and Chris Rock are the scheduled guests.

Lyle the Intern fails to convince Dave to join his latest scam; Julianne Moore discusses her trip to Brazil and plugs Blindness; Tim Reid and Tom Dreesen do stand-up; Kings of Leon performed "Sex on Fire."

Keith Olbermann, Chandra Wilson, Delta Goodrem