The Big Who You Gonna Call Episode

S4 E22: In an effort to make up her mind once and for all, Mona decides she wants to date both Chase and Lorenzo. When both men agree she finds herself more confused then ever. Dee Dee meets a new guy but when Brett tells her the relationship won't stand a chance, she sets out to prove him wrong. Meanwhile, Spencer meets a new woman and when she invites a friend to join them on the date he thinks his dreams have come true .