WATCH: Jimmy Fallon and Metallica Collaborate with Kids' InstrumentsIf you haven't watched Metallica join Jimmy Fallon and The Roots to perform their hit 'Enter Sandman' with kazoos, a tiny keyboard and other classroom instruments, you are missing out.
WATCH: Jay Leno Takes Over Monologue on the Tonight ShowJay Leno returns!
VIRAL VIDEO: Justin Timberlake & Jimmy Fallon Sing "Ironic" at Camp WinnipesaukeeDid you notice the tribute to "Meatballs?"
Blake Shelton Teaches Jimmy How to Milk a CowIt's time for Jimmy to learn a few things from Blake!
Madonna Performs Borderline on The Tonight ShowIn case you missed it, President Obama was on Jimmy Fallon last night and the musical guest was Madonna!
WATCH: 'Kid Standup' With Jimmy Fallon and Seth RogenWhere does the President keep his Armies?....In his Sleevies....
Trish's Trash: Jimmy Fallon's Thanksgiving Medley (ICYMI)Jimmy Fallon and Rashida Jones perform holiday favorites?
VIDEO: True Confessions with Tina Fey and Amy PoehlerJimmy Fallon hosted his latest installment of True Confessions with Tina Fey and Amy Poehler and watch their newest trailer for the upcoming movie Sisters.
Jimmy Fallon Plays Brainstorm With Arnold Schwarzenegger -- Watch!Schwarzenegger would say an answer and then Fallon would think of a question for his answer.
Jimmy Fallon and Seth MacFarland Play "Wheel of Impressions"Two masters of impressions, doing what they do.
VIDEO: Nonsense Karaoke with Denis Leary and Molly ShannonLast night on The Tonight Show, Denis Leary, Molly Shannon and Jimmy took turns singing well-known songs like TLC's "Waterfalls," except the lyrics have been replaced with nonsense sentences.
Jimmy Fallon's Tribute to David LettermanJimmy says goodbye and thanks to Dave.