The Wayans Bros Season 2, Episode 6: The Liars Club (part1)

Marlon gets jealous when Monique pretends to be married to Shawn in order to impress Otis Campbell, her college rival. When Otis takes the couple to a chic Moroccan restaurant, Marlon sneaks in and convinces Shawn to leave so that he can convey his strong feelings to Monique. Monique is surprised to see Marlon, but more horrified that he will ruin her cover by letting Otis know she really isn t married.