Season 4 - Episode Guide

Justin Bieber stops by the factory and Rob's best friend, Christopher "Big Black" Boykin ("Rob and Big") returns in this Season 4 opener. Also Rob gets chased by a 400-lb. tiger.

When Rob discovers that Drama is planning to get a full mouth of veneers, he enlists the help of Big Black to prepare Drama for a modeling photo shoot in the factory. Rob is also invited to race professional Torc Truck driver Casey Currie.

Rob decides to form a "death metal kill pop" band called The Bleeding Frogs with Chanel, Drama, Big Black and two traveling musicians.

After a pickup game of dodge ball in the Fantasy Factory, Rob wants to put together a team to enter an extremely competitive dodge ball tournament in Los Angeles.

Rob, Drama and the rest of the Fantasy Factory cast mark the middle of Season 4 by looking at their favorite moments so far.

Rob casts his mom, Patty, in a commercial and gives her the Hollywood star treatment. Later, he surprises her with a special guest at its red-carpet premiere.

Rob jumps into the ring at a Wrestlemania event when the WWE teams up with the "Make A Wish Fountation."

Rob travels to Louisiana to renovate a rundown skate park. Later, the crew builds a Mardi Gras float using the giant skateboard, and they ride it in a parade.

Rob worries that Drama and Big Cat have lost their brotherly bond, and decides to run them through a series of bonding activities, including hug therapy.

Rob and Big Black try to cheer up Drama after he breaks up with his girlfriend. Rob also makes a bet and has to complete a challenge at a skateboard competion.