When does Fangface return?

Fangface is a 30-minute Saturday morning cartoon produced by Ruby-Spears Productions for ABC that aired from September 9, 1978, to January 5, 1980. Highly derivative of Scooby-Doo with a bit of Tasmanian Devil and I Was a Teenage Werewolf thrown in. The opening title narration is provided by John Stephenson.