hd.thomson-multimediaThe Fonz and the Happy Days Gang Kelp! (1980–1981) watch online HD
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Short summary
In 3817 Fonz and the Gang are rescued from the ocean floor by the beautiful mayor of Aquacity, Ria. An evil surface dweller wants to destroy Aquacity and its kelp farms to get at the gold below.
| Episode credited cast: | |||
 | Marlene Aragon | - | Additional Voices (voice) |
 | Rene Auberjonois | - | Additional Voices (voice) |
 | Didi Conn | - | Cupcake (voice) |
 | Kathy Garver | - | Additional Voices (voice) |
 | Ron Howard | - | Richie Cunningham / Henchman (voice) |
 | Kenneth Mars | - | Additional Voices (voice) (as Ken Mars) |
| Amanda McBroom | - | Additional Voices (voice) |
 | Mitzi McCall | - | Additional Voices (voice) |
 | Don Messick | - | Additional Voices (voice) |
 | Don Most | - | Ralph Malph (voice) |
 | Henry Polic II | - | Additional Voices (voice) (as Henry Polic) |
 | Stanley Ralph Ross | - | Additional Voices (voice) |
 | Kathryn Leigh Scott | - | Additional Voices (voice) |
 | Susan Silo | - | Additional Voices (voice) |
 | Frank Welker | - | Mr. Cool (voice) |