The New Scooby-Doo Movies
Aside from doubling the length of each episode, The New Scooby-Doo Movies differed from its predecessor in the addition of a rotating special guest star slot; each episode featured real-life celebrities or well known fictional characters joining the Mystery, Inc. gang in solving the mystery of the week. Some episodes, in particular the episodes guest-starring the characters from The Addams Family, Batman, and Jeannie, deviated from the established Scooby-Doo format of presenting criminals masquerading as supernatural beings by introducing real ghosts, witches, monsters, and other such characters into the plots.Aside from doubling the length of each episode, The New Scooby-Doo Movies differed from its predecessor in the addition of a rotating special guest star slot; each episode featured real-life celebrities or well known fictional... Read more
Starring Don Messick, Casey Kasem, Frank Welker, Nicole Jaffe, Heather North
Watch "The New Scooby-Doo Movies" on Amazon released in 1972. It's a animation and family show, and has a rating of 7.6 out of 10 from Imdb which is usually fine for this kind of show.