The Man We Love - S1.E21

In this episode, reminiscent of the hijinks on Three's Company, Mac's parents come to town, unaware that Mac and Jess are living together in sin. Meanwhile, Paul and Maggie wind up dating the same man after he cruises them both separately in a supermarket. And Randy, who's trying to find Paul to tell him Maggie's dating the same man, catches Rex with his tongue down Lenora's throat.