Grant's eccentric aunt Millie arrives for a visit, completely oblivious to the fact that he died.

Love is in the air as Mike fixes up Jack with one of his clients and Derek tries to woo a girl at school.

TV privileges are revoked when Derek's grades drop, which sends Grant into a tizzy, so he follows the boy to school to get to the root of the problem.

When a box of old possessions surfaces, Claire discovers Grant's divorce wasn't finalized until a month after they were wed.

Jack asks Grant to watch Derek, who invites a girl over the moment that his grandfather walks out the door.

When Grampa Jack moves in, the deceased Grant and Claire soon realize that he can see them. Grampa agrees to hit the road if his new ghost friends help him pass his driver's test.