Character: He joined Happy Days in its fourth season as Al Delvecchio, the lovable but easily flustered second owner of Arnold's Drive-In who was a central figure at the gang's favorite hangout.

to honor the 50th anniversary of "Happy Days." The pair walked out onto the stage, which was recreated to look like the set of Arnold’s Drive-In.

It included a 50th anniversary tribute to the classic nostalgia sitcom “Happy Days,” featuring Ron Howard and Henry Winkler in a replica of the show’s diner, Arnold’s. “Happy Days ...

celebrating the 50th anniversary of Happy Days. Dressed in black suits, Howard and Winkler stood behind a booth at their usual haunt, Arnold’s. Before channeling their fictitious characters from ...

It was a Happy Days ... of the iconic Arnold’s Drive-In set, when Howard (aka Richie Cunningham), noted that their intro did not include music, specifically the “Happy Days” theme song.

On a re-created set of the show’s famed Arnold’s Drive-In, Winkler and Howard ... with the juke box immediately starting to play “Happy Days” by Pratt & McClain. Teasing the reunion ...