Henry Winkler and three other Happy Days stars reunite 50 years after their last appearance together to talk about their shared sitcom history.

Henry Winkler and Ron Howard reunited with the cast of ‘Happy Days’ more than 50 years after the classic sitcom’s 1974 premiere

Henry Winkler, Ron Howard, Don Most and Anson Williams took the stage to enthusiastic applause at Steel City Con this weekend just outside of Pittsburgh as the former "Happy Days" co-stars enjoyed a reunion of their hit television show of the 1970s and 1980s.