[s1e3] Peebles' Pet Shop Of Terrible Terrors! Apr 2026

Features the long-standing voices of Frank Welker (Scooby/Fred), Matthew Lillard (Shaggy), Grey Griffin (Daphne), and Kate Micucci (Velma).

The mystery begins when the gang stops at pet shop to restock their supply of Scooby Snacks. They find the store in disarray and meeting Wanda Sykes, who is there helping with pet adoptions. Wanda explains that a monster egg has hatched, and a creature has kidnapped the owner, Mr. Peebles.

The episode features characters from the classic 1964 Hanna-Barbera cartoon, The Magilla Gorilla Show . [S1E3] Peebles' Pet Shop of Terrible Terrors!

Mr. Peebles is arrested, and the shop's bookkeeper, Arnie , takes over and hosts a massive adoption event for the animals. Key Trivia & Production

He faked the egg and the monster attack to bankrupt his own store so he could replace it with a more profitable clothing shop. Wanda explains that a monster egg has hatched,

Financial trouble. Peebles was struggling with the high cost of caring for Magilla Gorilla.

The group discovers a letter from a "Professor Smythe" claiming the egg must be kept cold to prevent a monster from hatching. After a series of chases—and the appearance of —the gang unmasks the Fish Monster. The Reveal Culprit: Mr. Peebles himself. Mr. Peebles is arrested

Directed by Mike Milo and written by Caroline Farah.