S6·E24 Cupid Is as Cupid Does

Judith plans a dinner party for their couple friends, so she suggests that Martin not invite currently single Eddie. When Eddie finds out, he makes Martin feel guilty until he invites him, but the evening doesn't go well. Eddie has nothing in common with the couples and so he storms out. Next day, Martin and Judith meet a recently separated friend, Rema, whom Martin invites to their apartment for dinner, planning to also invite Eddie and match them up. Eddie begins spending all his time with Rema and hardly sees Martin.