The Hanna-Barbera Happy Hour is an American television comedy-variety show produced by Hanna-Barbera Productions which aired for five consecutive weeks on NBC from April 13 to May 11, 1978.
The Hanna-Barbera Happy Hour is an American television comedy-variety show produced by Hanna-Barbera Productions which aired for five consecutive weeks on NBC from April 13 to May 11, 1978. (en)