9x01 Justin Bieber
March 29, 2012 10:00 pm
Justin Bieber is the guest host in the Season 9 opener, which finds the teen pop star pranking pals Taylor Swift, Rob Dyrdek and Sean Kingston.
9x02 Bam Margera
April 5, 2012 10:00 pm
Bam Margera pranks Tyler the Creator; Ronnie Ortiz-Magro; Tyler Posey.
9x03 Hayden Panettiere
April 12, 2012 10:00 pm
Hayden Panettiere punks Dianna Agron, Zac Efron and Snooki.
9x05 Lucy Hale
April 26, 2012 10:00 pm
“Pretty Little Liars” star Lucy Hale pranks costar Ian Harding. Vanessa Hudgens and Josh Hutcherson are also pranked.
9x06 Nick Cannon
May 3, 2012 10:00 pm
Nick Cannon welcomes the New Boyz to Hollywood; Ashley Tisdale; Demi Lavato.
9x07 Dax Shephard
May 10, 2012 10:00 pm
Dax Shephard pranks Meta World Peace, Chloe Moritz and Lauren Conrad.
9x08 Miley Cyrus
May 17, 2012 10:00 pm
Miley Cyrus is the guest host. Prank victims include Kelly Osbourne, Khloe Kardashian and Liam Hemsworth.
9x09 Heather Morris
May 24, 2012 10:00 pm
Heather Morris pulls pranks on Joe Jonas, Cody Simpson and Emma Roberts.
9x10 Kellan Lutz
May 31, 2012 10:00 pm
Kellan Lutz is the guest host. Prank victims include Julianne Hough, Ashley Rickards and Aimee Teegarden.
9x12 Mac Miller
June 7, 2012 10:00 pm
Mac Miller is the guest host. Prank victims include T-Pain, Wiz Khalifa, Darrelle Revis and Neil Patrick Harris
