Carpe Diem

Robin has an epiphany that has a far-reaching impact on the rest of the ghosts, who each struggle to believe his prediction. Alison suggests a spontaneous night out with Mike, just like the old days! They try to get the old gang together but with such short notice, only Obi and his new girlfriend Brenda are free. Despite Alison's efforts to plan the best night ever, the evening doesn't quite meet her expectations, and the couple are left pondering how much their lives are changing.