Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Jimmy Fallon hosts the Tonight Show and interviews celebrities, plays games with them and has a musical or comedic guest perform. ...

Ethan Hawke (Boyhood (2014)); Amy Sedaris (BoJack Horseman (2014)). Also: The Secret Sisters perform. ...

Ethan Hawke (Boyhood (2014)); Amy Sedaris (BoJack Horseman (2014)). Also: The Secret Sisters perform. ...

Josh Brolin (Sin City: A Dame to Kill For (2014)); Artie Lange (book Crash and Burn); Giada De Laurentiis (Giada at Home (2008)) makes veal saltimbocca and cocktails. ...

Josh Brolin (Sin City: A Dame to Kill For (2014)); Artie Lange (book Crash and Burn); Giada De Laurentiis (Giada at Home (2008)) makes veal saltimbocca and cocktails. ...

Musician-actor Jared Leto; Amy Brenneman (The Leftovers (2014)). Also: Thirty Seconds to Mars performs; Tom Bailey sits in with The Roots. ...

Musician-actor Jared Leto; Amy Brenneman (The Leftovers (2014)). Also: Thirty Seconds to Mars performs; Tom Bailey sits in with The Roots. ...

Pierce Brosnan (The November Man (2014)); Tavi Gevinson (Broadway play This Is Our Youth). Also: The Madden Brothers perform. ...

Pierce Brosnan (The November Man (2014)); Tavi Gevinson (Broadway play This Is Our Youth). Also: The Madden Brothers perform. ...

Comedian Bill Cosby; golfers Rory McIlroy and Tiger Woods discuss the Nike Vaper clubs they helped design. Also: Röyksopp and Robyn Carlsson perform. ...

Comedian Bill Cosby; golfers Rory McIlroy and Tiger Woods discuss the Nike Vaper clubs they helped design. Also: Röyksopp and Robyn Carlsson perform. ...

Jason beats Jimmy at a game of hamster ball race. Jason Statham (The Expendables 3 (2014)); singer Demi Lovato; chef David Chang makes chicken hot wings. ...

Jason beats Jimmy at a game of hamster ball race. Jason Statham (The Expendables 3 (2014)); singer Demi Lovato; chef David Chang makes chicken hot wings. ...

Sylvester Stallone (The Expendables 3 (2014)); Eve Hewson (The Knick (2014)); Last Comic Standing (2003) winner Rod Man performs stand-up. ...

Sylvester Stallone (The Expendables 3 (2014)); Eve Hewson (The Knick (2014)); Last Comic Standing (2003) winner Rod Man performs stand-up. ...

Taylor Swift (The Giver (2014)); Andrew Rannells (Broadway play Hedwig and the Angry Inch). Also: Ryan Adams and The Shining perform. ...

Taylor Swift (The Giver (2014)); Andrew Rannells (Broadway play Hedwig and the Angry Inch). Also: Ryan Adams and The Shining perform. ...

Mickey Rourke (Sin City: A Dame to Kill For (2014)); Rob Riggle (Let's Be Cops (2014)). Also: Kings of Leon perform; Ace Frehley sits in with The Roots. ...

Mickey Rourke (Sin City: A Dame to Kill For (2014)); Rob Riggle (Let's Be Cops (2014)). Also: Kings of Leon perform; Ace Frehley sits in with The Roots. ...

Katie Holmes (The Giver (2014)); Chris Hardwick (@midnight (2013)). Also: OneRepublic performs. ...

Katie Holmes (The Giver (2014)); Chris Hardwick (@midnight (2013)). Also: OneRepublic performs. ...

Jeff Bridges (The Giver (2014)); Ali Larter (Legends (2014), cookbook Kitchen Revelry); Andy Woodhull performs stand-up. ...

Jeff Bridges (The Giver (2014)); Ali Larter (Legends (2014), cookbook Kitchen Revelry); Andy Woodhull performs stand-up. ...

Will Arnett (Teenage Mutant Ninja Turtles (2014)). Also: T.I. (T.I. and Tiny: The Family Hustle (2011)) is interviewed and performs with The Roots. ...