Will Ferrell Witnessed J.J. Abrams’ Most Embarrassing Improv Show Will Ferrell Witnessed J.J. Abrams' Most Embarrassing Improv Show Watch this video on YouTube The video above was originally published on “The Tonight Show Starring Jimmy Fallon” Youtube Channel Share Tweet Pinterest Stumble Google+ Linkedin Email Prev Next MORE COOL STUFF Daniel Radcliffe Raps Blackalicious’ “Alphabet Aerobics” Jimmy Praises Parkland Students, Will March with Them in D.C. Jimmy Fallon, Sia, Natalie Portman & The Roots Sing “Iko Iko” Kristaps Porzingis Was Confused by Kevin Durant’s Nickname for Him Donald Trump Interviews Himself In the Mirror Freestylin’ with The Roots: Summer Festivals and Campaigns