S3 E1 • Le Motard mystérieux

Fed up with Freddy always blaming Red Herring for each mystery, the gang orders him to try to survive with out blaming Red Herring for each crime.

Première diffusion : 8 septembre 1990

S3 E2 • Le Fantôme intergalactique

One of Velma's experiments is picked to be launched into space, but an astronaut ghost terrorizing the place thinks otherwise.

Première diffusion : 8 septembre 1990

S3 E3 • Et voici le Moumoute Show

Daphne's parents decide that its time for her to get a job. so they assign her to manage the video arcade at the Coolsville mall. Her job takes a dreadful turn when a strange hair monster terrorizes The Gang.

Première diffusion : 6 octobre 1990

S3 E4 • Le Gala de catch

The Gang attends the studio of CWF (Coolsville Wrestling Federation) but CWF is turning into GWF (Ghost Wrestlers Federation) when the ghost of a long dead wrestler shows up to ruin their fun.

Première diffusion : 3 novembre 1990

S3 E5 • La Chasse est ouverte

The Scooby-Doo Detective Agency helps keep a monster-catching agency from going out of business as a giant snail is terrorizes Coolsville..

Première diffusion : 6 juillet 1991

S3 E6 • Le Fantôme de la bibliothèque

Shaggy and Scooby-Doo are haunted by The Ghost of Mrs. Shusham, the librarian who wants an extremely overdue library book back.

Première diffusion : 13 juillet 1991

S3 E7 • Comment échapper à la fourrière en 10 leçons ?

A dog-catcher named Buster McMuttMawler tries many attempts to capture Scooby-Doo.

Première diffusion : 20 juillet 1991

S3 E8 • Monsieur Mauvais Goût

Commander Cool and Metal Mutt try to stop an evil caterer from taking over the world through his outrageous dishes.

Première diffusion : 27 juillet 1991

S3 E9 • Le Scooby-garou

The curse of the Were-Doo (Scooby family faints) threatens Scooby's family home.

Première diffusion : 31 août 1991