Tis the season to be scary, and Oblina, Ickis, and Krumm are happy to oblige. They terrorise shoppers in a mall, but the tables are turned when the trio find themselves locked inside after hours.
Ickis, Oblina, and Krumm are bored when Gromble's old teacher lectures at the academy. But when they escort him back to the dump, they learn that old monsters are the best monsters.
Every boy and monster's worst fear is realised for the Gromble -- his mom shows up at the academy unannounced. The Gromble leaves her in the care of Ickis, Oblina, and Krumm for the afternoon...
Ickis gets a bad case of hero worship when he is befriended by an impulsive monster drop-out Puhg, who takes Ickis to the surface without adequate preparations.
Life is no ""day at the beach"" for Ickis as his self-esteem hits a rip tide when he is chosen to be a contestant in the Annual Riding of the Great Wave Competition.
The Gromble sends his three monster-students on a routine scare of an old house. But it appears the house is haunted. Monsters don't believe in ghosts -- or do they?
A. The Scare-Meter and a visit to the Hall of Records informs the Gromble that monster scares are not as effective as they used to be in the human world. What will this mean for...