More from EW
1 of 10
Michael Cera, January 2008
Between Two Ferns with Zach Galifianakis kicked off its inaugural installment on January 4, 2008, with a visit from Michael Cera. During his interview, Cera touched on Superbad, his career beginnings, and whether or not he's ticklish.
2 of 10
Natalie Portman, May 2009
Natalie Portman took a seat next to one of the potted plants on May 6, 2009. The actress toted her dog Whiz along for the interview with Zach Galifianakis, and spent the segment refusing to give the comedian her phone number, talking about her charity work, and dishing on Star Wars.
3 of 10
Bradley Cooper, May 2009
Galifianakis followed up his Portman interview with a Bradley Cooper sit-down just weeks later. Joined by Carrot Top on the show, the Hangover star talked Wedding Crashers, Failure to Launch, and Saturday Night Live.
4 of 10
Charlize Theron, September 2009
Charlize Theron joined Galifianakis for an interview between the ferns on September 7, 2009. The actress started the interview by correcting the host's pronunciation of her name and laughed off the awkwardness from there, telling the comedian she was not, in fact, in Monsters, Inc., and persevering through discussions of her ailing dog.
5 of 10
Steve Carell, July 2010
Dinner for Schmucks costars Galifianakis and Steve Carell teamed up on July 27, 2010 for an episode of Between Two Ferns. Carell flipped the script on the host, taking preemptive shots at Galifianakis by commenting on his weight and cutting off his questions.
6 of 10
Will Ferrell and Jon Hamm, May 2011
Galifianakis had one star-studded installment of Between Two Ferns on May 22, 2011. He kicked off the show with his future Campaign costar Will Ferrell, who dressed for the occasion in a Lakers jersey, plaid shorts, and sunglasses. The two funnymen repeatedly embraced and fist-pounded, and were soon joined by Jon Hamm, who returned to the set looking for his keys.
7 of 10
Justin Bieber, September 2013
Justin Bieber stopped by Between Two Ferns on September 26, 2013. The pop star fielded questions from Galifianakis like, “When you’re in the recording studio, do you ever think ‘Hey, what if I don’t make something sh—y?’” and "You’ve had three hairstyles. What’s next for your career?," staying mellow throughout the sit-down.
8 of 10
President Barack Obama, March 2014
Barack Obama paid a presidential visit to Between Two Ferns on March 11, 2014. The 44th POTUS talked pardoning turkeys, Dennis Rodman, and term limits.
9 of 10
Brad Pitt, October 2014
Brad Pitt caught up with Zach Galifianakis between a set of ferns on October 22, 2014. While he stopped by the show to talk Fury, Pitt ended up spending the time avoiding personal questions on his showering habits, his sexual history, and his spread in Playgirl.
10 of 10
Hillary Clinton, September 2016
Hillary Clinton found herself between two ferns on September 22, 2016. The presidential candidate used the opportunity to riff on Donald Trump with Galifianakis and said she would stay in the U.S. even if Trump is elected, to " try to prevent him from destroying the United States."