VIDEO: Zach Galifianakis Gets Sean Penn 'Between Two Ferns'
Sep. 1 2010, Published 12:24 p.m. ET
Sean Penn must be a big fan of The Hangover, otherwise we're not sure why he agreed to appear on Zach Galifianakis's Funny or Die Web show, Between Two Ferns.
OK! VIDEO: SCHMUCKS STEVE & ZACH FIGHT BETWEEN TO PLANTS
Zach decided to put on a special act for his sit-down interview with Sean.
Appearing as his twin brother Seth, the comedian does his best to make his interview with the actor as uncomfortable as possible.
OK! NEWS: INTRODUCING OK!'S ONLINE BOOK CLUB — IT'S KIND OF A FUNNY STORY
Check out the interview below! Warning: Language NSFW.
Join OK!'s Online Book Club on Tuesday at 8 p.m. to read the book of Zach's upcoming movie, It's Kind of a Funny Story!