Heavy metal band Slayer is coming to town so Bam invites them to stay at the house and play live in the backyard. As part of the festivities, Bam and his crew try to get Don Vito a date.
The Margeras and friends continue on their road trip to New Orleans to try to catch the tail end of Mardi Gras. Along the way, they stop at a huge skateboarding park called Skatopia.
In honor of Arbor Day, Bam and his crew build a casino in the backyard compete with a zip line and wrestling ring. Later, Phil and Vito participate in wrestling match.