Facebook: Jimmy explains the meaning behind President Obama's lesser-known facial expressi…

Jimmy explains the meaning behind President Obama's lesser-known facial expressions in a new Obama Expressions!

The hilarious Jim Gaffigan talks about his very forgiving, and never forgetting,…

Facebook: Jimmy and Russell Brand go head to head in one of our wildest games of Word Snea…

Jimmy and Russell Brand go head to head in one of our wildest games of Word Sneak yet!

Facebook: Jimmy and Benedict Cumberbatch play a new game where they take turns telling thr…

Jimmy and Benedict Cumberbatch play a new game where they take turns telling three-word stories to get each other to guess a mystery word! #FallonTonight

The show must go on! Last night Jimmy and The Roots teamed up to perform U2's "D…

No U2 this week. But we'll think of something and send vibes to Bono for a speed…

Facebook: Jimmy and Liam Hemsworth go head-to-head in a giant tricycle race through Studio…

Jimmy and Liam Hemsworth go head-to-head in a giant tricycle race through Studio 6B!

Facebook: Jimmy and Josh Hutcherson take their rivalry to the ice in Beer Hockey! WATCH:…

Jimmy and Josh Hutcherson take their rivalry to the ice in Beer Hockey!