The Best Episodes of Late Show with David Letterman Season 21

From "Girls", creator and actress Lena Dunham; from "New Girl", actor Max Greenfield; musical guest Brandy Clark.

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From "Community", actor Joel McHale; sportscaster Marv Albert; musical guests Washed Out.

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From "Captain America: The Winter Solider", actress Scarlett Johansson; musical guest John Grant.

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TV host Anderson Cooper; from "Saturday Night Live", comedian Bobby Moynihan; musical guest Will Hoge.

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From "The Mindy Project", creator and actress Mindy Kaling; stand-up comedy by Jeff Altman; musical guests Red Fang.

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Comedy legend Bill Cosby; musical guests Sleigh Bells.

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From "LIVE with Kelly and Michael", co-host Michael Strahan; musical guest Jennifer Nettles.

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Actor and comedian Kevin Hart; from "My Grandmother’s Ravioli" and "CBS Sunday Morning", journalist Mo Rocca; musical guests The Orwells.

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New anchor Brian Williams; musical guest Rosanne Cash.

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From "House of Lies", actor/producer Don Cheadle; stand-up comedy by Myq Kaplan; musical guests Roadkill Ghost Choir.

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From "Brooklyn Nine-Nine", actor and comedian Andy Samberg; from "That Awkward Moment", actor Michael B. Jordan; musical guest Ellie Goulding.

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From "The Wolf of Wall Street", director Martin Scorsese; from "Girls", actress Allison Williams; musical guests Cults.

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TV host and journalist Rachel Maddow; from "Her", director and writer Spike Jonze; musical guests No Age.

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From "The Following", actor Kevin Bacon; stand-up comedy by Pat McGann; musical guests Devon Avenue.

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From "Louie", creator and comic Louis C.K.; Marine veteran B.J. Ganem; musical guests Artic Monkeys.

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From "Modern Family", actor Eric Stonestreet; freeskier Nick Goepper; musical guests Bastille.

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New Orleans Saints quarterback, Drew Brees; actor/author/comedian B.J. Novak; a Top Ten List presented by David Stern; musical guests Against Me!.

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TV host Dr. Phil McGraw; from "Counting Cars", TV personality Danny Koker; musical guests Dum Dum Girls.

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From "The Monuments Men", actor/comic Bill Murray; musical guests Eagulls.

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