After eating too many Malaysian Fire Seaweed Brownies, Hashbrick gets hallucinated and runs away with SpongeBong's Vapor Trail. Causing SpongeBong to freak out and find him.
SpongeBong and Hashbrick plan to get sea-mushrooms for the concert after finding out their favorite band, F.H.I.S.H, will be performing. Spliffward initially doesn't have any but offers to connect them with a friend who does, Crystal.
