Alan starts working for Evelyn as Charlie works to fix the relationship between Chelsea and Jake.

While overcoming a bad break-up, Chelsea invites her beautiful college roommate to stay at the house.

Chelsea wants Charlie to take dancing lessons for the wedding, when Charlie uncovers the truth that Chelsea has been lying about her finances.

Charlie is visited by the ghosts of his ex-girlfriends while Alan and Jake are on a road trip.

Alans famous ex-wife, Kandi, wants to reconcile; when Berta isn't interested in celebrating her birthday, Walden tries to make her day special.