when was the first scooby doo episode
Scooby-Doo, Where Are You! made its CBS network debut on Saturday, September 13, 1969, with its first episode, What a Night for a Knight. The first season ran 17 episodes. The show was a major ratings success for CBS, and they renewed it for a second season in 1970.
Veteran H-B voice artist Don Messick was the original voice of Scooby and spent decades working on the character. Scooby-Doo, Where Are You! premiered on CBS on September 13, 1969, at 10:30 a.m. EST and ran for two seasons, for a total of 25 episodes. Its final first-run episode aired on October 31, 1970.