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

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

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. [S1E3] Peebles' Pet Shop of Terrible Terrors!

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. After a series of chases—and the appearance of

Comedian Wanda Sykes , who portrays herself as a friend of Scooby-Doo who originally met him while judging a dog show. Setting: Peebles' Pet Supply Mega-Store. Villain: A giant Fish Monster . Plot Summary The mystery begins when the gang stops at