Dave welcomes actress Debra Messing, actor Josh Hutcherson, and musical guests Oberhofer. The "Smash" star discovers a lot of fake Debra Messings on Twitter.

Dave welcomes actor Martin Short and musical guests The Ting Tings. Martin upsets a famous female broadcaster and her husband (but it's not Connie Chung and Maury Povich).

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Tina Fey Vandalizes Dave's Car. Jeremy Irvine tells Dave about his quick rise to stardom in "War Horse."

Dave welcomes actress Kristen Bell and musical guest Blind Pilot.

Dave welcomes actor Mark Wahlberg, actress Heather Morris, and musical guest Snow Patrol. "Top Ten Ways Kim Jong Un Celebrated His Birthday". The Glee star turns filmmaker with a special video for Dave.

Dave welcomes Kate Beckinsale, Bloopers with Marv Albert, and music from The Little Willies.

Dave welcomes musician Dolly Parton and writer Alan Zweibel. Top Ten Things Kim Jong-Un Wants To Accomplish As Supreme Commander of North Korea. What's proper bus etiquette? Dolly airs out all the details. A charity lunch date turns into a nightmare for Alan.

Dave welcomes Senator John McCain and musical guest Johnny Winter.

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Dave welcomes actor Ricky Gervais, actress Jessica Chastain, and musical guest Kathleen Edwards.

Dave welcomes actress Marg Helgenberger from the CBS drama series "CSI: Crime Scene Investigation," actor Michael Fassbender, and musical guest Ellie Goulding.

Dave welcomes comedian Kathy Griffin, actor Simon Helberg from the CBS comedy series "The Big Bang Theory," and musical guest Joseph Aurthur.

Dave welcomes comedian Dana Carvey, Jon Fisch and musical guest Los Campesinos! performs.

Dave welcomes actress Jennifer Lopez, actor Rob Schneider form the CBS comedy series "Rob!", and musical guest James McCartney.

Dave welcomes actor Bill Murray and musical guest Girls' Generation.

Dave welcomes radio host Howard Stern and musical guest The Airborne Toxic Event.

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Dave welcomes actress Michelle Williams, comic Jake Johannsen and musical guest Ziggy Marley. Top Ten Super Bowl Fun Facts. Why wasn't Michelle paying attention to her Academy Awards nominations announcement?

Highlights from Biff's big day at the Super Bowl in Indianapolis. Dave's "favorite" Manning talks about his brother Peyton's football future. Sarah embarrasses herself in front of a group of punk kids. The South African rap-rave group performs "I Fink U Freeky."

Dave welcomes actor Denzel Washington and musical guest The Fray.

Dave welcomes actor Ryan Reynolds, actress Ellie Kemper, and musical guest Dierks Bentley. Before "The Office," there was "The Man Under The Stairs."

Dave welcomes actor Nicolas Cage, actress Michelle Dockery, A Top Ten List presented by Foo Fighters, and musical guest The Kills. Top Ten Interesting Facts About The GrammyAwards. Nicolas Cage tells how he and Charlie Sheen were nearly arrested for making trouble on a plane. Is Nicolas Cage a vampire? The "Ghost Rider" star addresses the rumors sweeping the Internet. Dave welcomes Michelle Dockery, star of the hit PBS series, "Downton Abbey."