When the one-and-only comic extravaganza comes to town, Mordecai and Rigby do everything they can to secure tickets for the once in a lifetime opportunity to meet their favorite action hero: Bulk Berk! But what starts as an innocent trip to pitch Bulk Berk and the team on their own original movie soon becomes much more complicated, as Mordecai, Rigby, and the entire gang from the Park get more than they bargained for when Bulk Berk asks them for help getting a super rare item that can only be found at the show.