The Scooby-Doo/Dynomutt Hour - Season 1 - Eps 9: The Headless Horseman of Halloween
The Headless Horseman of Halloween (Scooby-Doo): A Halloween party at the crane manor becomes a mystery when the headless horseman shows up.
About The Scooby-Doo/Dynomutt Hour

Title: The Scooby-Doo/Dynomutt Hour
First Air Date: 1976-09-11
Last Air Date: 1976-12-18
Status: Ended
Rating: 7.9/10 (from 167 votes)
Language: EN
Seasons: 2
Total Episodes: 32
Network: ABC
Genres: Animation, Comedy, Family, Kids, Mystery
Production Companies: Hanna-Barbera Productions
Synopsis
The Scooby-Doo/Dynomutt Hour is a 60-minute package show produced by Hanna-Barbera Productions in 1976 for ABC Saturday mornings. It marked the first new installments of the cowardly canine since 1973, and contained the following segments: The Scooby-Doo Show and Dynomutt, Dog Wonder.
Cast

Henry Corden
(voice)

Allan Melvin
Additional Voices (voice)

Casey Kasem
Shaggy Rogers / Additional Voices (voice)

Julie McWhirter
Additional Voices (voice)

Micky Dolenz
Supporting Voices / Additional Voices (voice)

Don Messick
Scooby-Doo / Additional Voices (voice)

Gary Owens
Blue Falcon (voice)

Virginia Gregg
Additional Voices (voice)

Larry McCormick
(voice)

Heather North
Daphne Blake (voice)