1969 "Scooby-Doo Where are You" by Hanna-Barbera debuts on CBS in the US

Scooby-Doo, Where Are You? is an animated American comedy television series produced by Hanna-Barbera for CBS and created by Joe Ruby and Ken Spears. The series debuted on September 13, 1969, as part of the network's Saturday morning cartoon schedule, and ran for two seasons until October 31, 1970.
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