A blue devil comes up from the trap door and starts casting annoying spells on everyone. Boni gets a body and starts making goat noises, Berk changes orange, then red, then grows large, and Drutt continuously changes color.
Berk, Boni and Drutt play Hide and Seek while the Thing Upstairs is on holiday, until a horrible yellow thing comes up through the Trap Door and interrupts.
Berk and Boni have problems with a seemingly endless plague of creepy crawlies coming out of the trap door. Berk uses a bugpipe to lead the creatures far from the castle.
Berk throws a large amount of rubbish down the trap door, filling it up to the top, but this summons ghosts that torment him for his years of improper waste disposal.
There is a rotten smell in the castle cellar and Berk investigates. He finds out that something pink and smelly came out from the trap door. Rogg comes up and tells Berk, Boni and Drutt that it is a Lump which proceeds to make much noise.
