Three's Company S03 E05 Helen's Rendezvous

"Come and knock on our door"

After Stanley's friend fails to fulfill their deal of loser buys the beer, Stanely works himself into an outrage. Helen tries to patch things up between Jerry & Stanely by trying to get Jerry to apologize. When Helen makes a date to meet up with Jerry, Jack and Chrissy both assume that she is having an affair.