Happy Days S10 E04 A Night at the Circus

"Those were the days of the 1950's...filled with innocence and the promise of even better days to come."

In an attempt to get Ashley's young daughter, Heather, to warm up to him, Fonzie takes her to the circus. Meanwhile, K. C., Howard's niece, moves in with Howard and Marion while her parents look for a new boarding school. Marion asks Howard to consider letting her stay permanently.