The heroic duo confronts a cunning duo of swamp inhabitants, Swamp Rat and Mudmouth, who seek to transform the vibrant city of Big City into a foreboding and haunting swamp.
Aired: Sep 11, 1976The Mystery Machine gang sets out to solve a series of daring heists, relying...
Aired: Sep 11, 1976Mr. Hyde, accompanied by his loyal canine companion, sets his sights on becom...
3. The Fiesta Host is an Aztec Ghost
Aired: Sep 18, 1976The gang embarks on a thrilling journey to Mexico, where they unravel the sec...
Aired: Sep 18, 1976Dog Wonder and the Scooby-Doo crimestoppers team up to take down Lowbrow, a c...
5. The Gruesome Game of the Gator Ghoul
Aired: Sep 25, 1976The gang embarks on a thrilling adventure in the Okefenokee Swamp, where they...
6. The Great Brain...Train Robbery
Aired: Sep 25, 1976The Blue Falcon and Dynomutt team up to stop The Gimmick, a cunning thief usi...
Aired: Oct 2, 1976The Mystery Machine gang investigates a mysterious ghostly presence disruptin...
Aired: Oct 2, 1976Blue Falcon and Dynomutt clash with The Worm, a vengeful villain, and his acc...
9. The Headless Horseman of Halloween
Aired: Oct 9, 1976A spine-tingling Halloween party at Crane Manor takes a terrifying turn when ...
Aired: Oct 9, 1976The Blue Falcon battles Fishface, a cunning adversary plotting to pollute cru...
Aired: Oct 16, 1976Shaggy's uncle purchases a spooky mansion, vanishes, and leaves Shaggy to unr...
Aired: Oct 16, 1976Big City falls under the spell of a mesmerizing melody, making it an easy tar...
13. The Harum Scarum Sanitarium
Aired: Oct 23, 1976A group of friends' Niagara Falls getaway turns deadly when they're trapped i...
Aired: Oct 23, 1976Notorious villains Superthug and Zorkon have pilfered every last piece of ste...
15. The No-Faced Zombie Chase Case / Factory Recall
Aired: Oct 30, 1976The Mystery Machine gang stumbles upon a crime scene while enjoying dinner, o...
Aired: Oct 30, 1976Mr. Cool, the arch-nemesis of the Blue Falcon, unleashes his icy powers to fr...
17. Mamba Wamba and the Voodoo Hoodoo
Aired: Nov 5, 1976A legendary rock band's high-energy performance takes a dark turn when they u...
Aired: Nov 5, 1976The heroes embark on a thrilling chase to apprehend the cunning Queen Hornet,...
19. The Frightened Hound Meets Demons Underground
Aired: Nov 12, 1976Demonic forces wreak havoc on Seattle, plunging the city into darkness and te...
Aired: Nov 12, 1976The heroic duo confronts a cunning duo of swamp inhabitants, Swamp Rat and Mu...
Aired: Nov 19, 1976The Mystery Machine's arrival at Daphne's uncle's estate is met with an eerie...
Aired: Nov 19, 1976A notorious filmmaker, Eric Von Flick, has a sinister plan to devastate Big C...
23. There's A Demon Shark in the Foggy Dark
Aired: Nov 24, 1976A shark-like demon materializes from the fog, as the group becomes entangled ...
24. The Awful Ordeal with the Head of Steel
Aired: Nov 24, 1976Ironface's long-held resentment boils over as they kidnap the district attorn...
Main Cast
