Seasons one through three of the TV show "Scooby Doo, Where Are You!" can be purchased for download from iTunes and VUDU. In addition, it can be streamed online through Amazon Prime. The show is occasionally broadcast on cable TV on the channel Boomerang.
To watch "Scooby-Doo, Where Are You!" on Boomerang, check with your local cable provider for dates and times. If none of these options are available, the show has been released for purchase on DVD. "Scooby-Doo, Where Are You!" was originally aired on CBS from 1969 to 1971 and on ABC in 1978. The series is made up of three seasons and 34 episodes.