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.
| Season | From | To | Episodes |
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | April 1978 | May 1978 | 5 |
| Unassigned Episodes | 0 |
| Season | From | To | Episodes |
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 5 |
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