Seasons & episodes

Dave welcomes actor Ed Helms, sportscaster Dan Patrick, and musical guest Lyle Lovett.

Dave welcomes actor Nathan Lane, actress Pauley Perrette from the CBS drama series "NCIS" and musical guest Estelle.

Dave and Neil Patrick Harris have an awkward green room encounter. The Late Show cue card takes you into the weird world of candle-making. Top Ten Frequently Asked Questions About Leap Year. After years of speculation, Neil reveals the big "How I Met Your Mother" secret. The "John Carter" star runs into some trouble on his way to work in the Philippines. The Robert Glasper Experiment featuring Lupe Fiasco and Bilal perform "Always Shine" from the CD, "Black Radio."

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Dave welcomes actor Will Ferrell and actor Jon Bernthal.

Dave welcomes actress Amanda Peet and actor Nick Offerman. Musical guests The Chieftains with Low Anthem and a Top Ten List presented by musician Cee Lo Green.

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).

Dave welcomes First Lady Michelle Obama and musical guest Esperanza Spalding.

Dave welcomes actress Jennifer Lawrence, journalist/author Gail Collins and musical guests The Shins. "Hunger Games" star Jennifer Lawrence tells Dave how she hates watching herself on the big screen.

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 journalist Rachel Maddow, actor Timothy Olyphant, and musical guests Train.

Dave welcomes actor Jason Sudeikis, musician Lionel Richie, and musical guests Lionel Richie with Jason Aldean. A lesson in bad parenting: Jason Sudeikis recalls how his Dad once took his ticket to a Final Four game and invited a friend instead. Jason Sudeikis shows Dave a special bat he received from Kansas City Royal and Hall of Famer George Brett.

Dave welcomes actor/comedian Chris Elliott, former President of the Maldives/climate change activist Mohamed Nasheed, and musical guest Justin Townes Earle.

Dave welcomes actor/comedian Tracy Morgan, sportscaster Jim Rome, and a performance from the Broadway musical “Once.”

Dave welcomes actress Megan Mullally, comedian Joe Wong, and musical guest Band of Skulls.

Dave welcomes talk show host Keith Olbermann, actress/singer Allison Williams, and musical guests Lukas Nelson & Promise of the Real. Top Ten Questions Received by the Marshmallow Peeps Hotline. Keith Olbermann addresses allegations surrounding his departure from Current TV. Allison Williams, star of Girls, talks about having news anchor Brian Williams as her dad.

Dave welcomes actor Kiefer Sutherland, actor Eugene Levy, and musical guests The Punch Brothers. Top Ten Sneezes. Kiefer tries to keep up with his energetic grandkids. Eugene, Paul Shaffer and Martin Short form a Rat Pack of old Jewish guys.

Biff Henderson hangs with Jeter, Reggie and more at NY Yankees Spring Training. Ricky Gervais brings Dave an age-appropriate gift for his upcoming birthday. Cobie Smulders worked in Europe as a model when she was 17, but didn't party. True or false?

Dave welcomes Masters Champ Bubba Watson, actor Sean Hayes and musical guest Shooter Jennings. Bubba Watson dons the coveted green jacket and talks "Bubba Golf" with Dave. Dave's ready for Sean Hayes' interview, but is Sean Hayes ready for Dave?

Dave welcomes Basketball legends Magic Johnson and Larry Bird, comedian Jim Gaffigan, and musical guests Kaiser Chiefs. They were competitors on the court, but how did Magic Johnson and Larry Bird get along off the court?

Dave welcomes actor Billy Crystal and musical guests Alabama Shakes. In celebration of Dave's 65th birthday, Billy Crystal shares a special video he created for the occasion. Billy Crystal shares his great old showbiz story about comedian Red Foxx.

Dave welcomes actress Julia Louis-Dreyfus, comedian Keith Alberstadt, and musical guest Bonnie Raitt. She couldn't actually get close to First Lady Michelle Obama, but Julia still got a picture with her.

Dave welcomes Actor Jason Segel from the CBS comedy series 'How I Met Your Mother,' author Zach Wahls, musical guests Fun, and a Top Ten List presented by Chicago White Sox perfect game pitcher Philip Humber.

Dave welcomes actress Amy Poehler, talk show host/actress Wendy Williams, and musical guests Trampled by Turtles. "Parks and Recreation" star Amy Poehler talks about her two kids. Is her oldest son watching her every move?