Although only scheduled for a five-week test run, The Hanna-Barbera Happy Hour failed in the ratings as it competed with ABC's Welcome Back, Kotter and What's Happening!! and was replaced in its timeslot with reruns of CHiPs.
| Identifier (URI) | Rank |
|---|---|
| dbkwik:resource/CIXCg2suGGao8NeN7y08Tw== | 5.88129e-14 |
| dbr:The_Hanna-Barbera_Happy_Hour | 5.88129e-14 |
| dbkwik:resource/zQkftkpxGfI0kBPt4x60Nw== | 5.88129e-14 |