Currently available on 2 streaming services.

Streaming, rent, or buy What's New, Scooby-Doo? – Season 3:

Currently you are able to watch "What's New, Scooby-Doo? - Season 3" streaming on Sky Go or buy it as download on Microsoft Store.

Cast

Frank Welker
Fred Jones / Scooby-Doo (voice)
Casey Kasem
Shaggy Rogers (voice)
Mindy Cohn
Velma Dinkley (voice)
Grey DeLisle
Daphne Blake (voice)