Three's Company
When two single girls need a roommate to share their Santa Monica apartment, they decide to offer a room to the guy they find passed out in the bathtub after the going-away party for their last roommate. Hijinks ensue.
S8, E1
Jack Be Quick
Jack's girlfriend asks him to father her child.
S8, E2
She Loves Me, She Loves Me Not
Jack thinks one of the girls is interested in him.