"Which long-running show spawned several television series, including ""Laverne & Shirley"", ""Mork & Mindy"", and ""Joanie Loves Chachi""?"
Henderson Productions Arnold's Drive-In (Happy Days) Happy Days Henderson Production Company Leather Tuscadero Henderson Production Company, Inc. Happy Days Again Happy days Sticks Downey Happy Days (TV series) Chuck Cunningham syndrome Chuck Cunningham Chuck Cunningham Syndrome Pinky Tuscadero
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happy days
WikipediaEntity
Happy Days