It's almost Halloween, and Freddy Thresher is already spooked. He's sure there's a monster in his attic! He can hear scratching and thumping at night, and he's too scared to sleep. Robbie thinks they should explore the attic--but does Freddy have the guts to go monster-hunting?

When the Halloween Witch opens a magical portal and lets in all the Halloween creatures, the Catch Club Kids set up a trap to catch and creatures and send them back.

Feeling apprehensive about his first trick-or-treating venture on Halloween, Little Monster joins his Papa on a trek through the neighborhood, where encounters with witches, vampires and other costumed beings help him overcome his fears.