Happy Days S11 E03 Where the Guys Are

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

In an attempt to help Fonzie move on after his break-up with Ashley, Potsie, Chachi, and Roger take him on a retreat to a singles resort. However, to get him to go, they tell him they're going to a sporting camp. When they arrive at the lake, Fonzie discovers what the resort is all about and says he's going to leave. He ends up staying which puts a damper on the rest of the guys' fun.