Frankenstein stands out at the Valentine's Day Bash for being less monstrous than the other guests, but to one smelly, rude creature that makes him the perfect valentine.

Zack is shocked to find a large, green, six-eyed creature sitting in his place at school one morning, but soon learns that he and the monster have a lot in common.

Ethan has a monster named Gabe under his bed, but Gabe has gone fishing for a week. Substitute monsters appear, but none are like Gabe.

When the monster that Jeremy created threatens to return, Jeremy enlists his neighbors to help him with a creative solution to the problem.

Tom tries to free Koldo.

On Bimbling Day, when young Sasquatches hope to earn the right to explore the North Woods on their own, Hugo, Boone, and Gigi become stranded and encounter strange and mysterious creatures.

Everybody knows monsters can be, well, monsters. But did you know sometimes even monsters get scared? They can be sad, they can be kind, they can miss their mommies. Sometimes, they're just plain silly. And even monsters need to brush their teeth--

Frank the monster indulges his love of dancing by strutting his stuff on stage until his head unzips, his brains flop out, and he continues to lose body parts.

On Halloween night, a boy is amazed by the creatures his older brother brings home and keeps in his bedroom.

When local business tycoon Maximus Sneer plans to drain the Boggy Marshes dry, twins Sammy and Tammy start protesting the scheme, while two very big monsters are awakened by the drainage, looking for revenge.