The Fonz and the Happy Days Gang

The Fonz and the Happy Days Gang is an American animated science fiction comedy series produced by Hanna-Barbera Productions and Paramount Television and originally broadcast during the Saturday morning schedule on ABC from November 8, 1980 until November 28, 1981. It is a spin-off of the live-action sitcom "Happy Days". It has been described as a knock-off of "Doctor Who", as the gang travels in a time machine that resembles a phone booth.
Premise.
Henry Winkler (The Fonz/ "Fonzie"), Ron Howard (Richie Cunningham) and Donny Most (Ralph Malph) all reprised their respective roles for "The Fonz and the Happy Days Gang".
The series focuses on Fonzie, joined by an anthropomorphic dog named Mr. Cool, and his friends as they are visited by Cupcake, a girl from the future who pilots a malfunctioning time machine. After Fonzie repairs the machine, a subsequent accident causes the group to become missing in time. The series focuses on Fonzie and his friends as they land in various periods in time, attempting to return to their own. The introduction to the series was narrated by Wolfman Jack.
Twenty-four episodes were produced. After the series ended, the characters of Fonzie and Mr. Cool were introduced in the series "Laverne & Shirley in the Army", which premiered October 10, 1981. The series was subsequently renamed "Laverne & Shirley with The Fonz" and depicted Fonzie working in the motorpool as the chief mechanic. That series ran until September 3, 1983. Both series were syndicated with an animated spin-off of the series "Mork & Mindy" as "Mork & Mindy/Laverne & Shirley/Fonz Hour".
Home media.
On November 5, 2019, the complete series was released as a made-on-demand DVD-R by CBS Home Entertainment and Paramount Home Entertainment.