Justin Bieber Revs Up for New Season of ‘Rob Dyrdek’s Fantasy Factory’!!

Rob Dyrdek is back performing his sometimes dangerous but always hilarious stunts, one of them featuring Justin Bieber.

The Biebs guest starred in the upcoming season of “Rob Dyrdek’s Fantasy Factory,” driving a go kart up a skateboarding ramp.

Dyrdek’s friend, bodyguard Big Black (real name Christopher Boykin), also returns for the show’s fourth season. Black co-starred with Dyrdek on MTV’s “Rob & Big” from 2006 to 2008.

Watch the clip to see Dyrdek get tackled by a tiger. “Rob Dyrdek’s Fantasy Factory” returns to MTV with all-new episodes on April 4.