Happy Days S10 E20 Babysitting

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

Fonzie babysits Heather when Ashley leaves for a tax seminar, but his attention is drawn away by a televised heavyweight title fight leaving Heather resentful toward him. Meanwhile, Joanie and Chachi return to Milwaukee after Joanie says she's sick.