Eight Is Enough (1977)
S02E20 Seven Days in February
Episode Overview
During winter break, Joannie, Nancy, and Susan encounter some new guys at a disco, sending the Bradford household into a frenzy of romantic chaos. Meanwhile, David's friend persuades him to try a blind date, but the surprise twist reveals that his date is none other than his sister, Mary. On the other hand, Tommy is on a mission to snag tickets to a rock concert, going to great lengths to make it happen.