[2] 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.

Each episode begins with an expository narration that Fonzie and his friends (including a new anthropomorphic dog named Mr.

After Fonzie repairs the machine to get her back to the 25th century, 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 1957 Milwaukee.

The series was subsequently renamed Laverne & Shirley with The Fonz and depicted Fonzie working in the motorpool as the chief mechanic.