It's Halloween time! P.J. orders Geneva and Mark to go chaperone the Halloween party at the high school. Mark teaches a science class and finds out that Earvin is mad at his father for leaving him when he was born. Mark decides to fly in his father from New York. Meanwhile, Geneva has to sew a costume for Tyler, Vanessa, Nicole, and herself. Geneva sews a horse costume and Nicole and Tyler can't decide who to wear the head. Can Geneva satisfy them all? The father comes in but he is White. Earvin does not care if his father is a different race but is still mad at him for leaving him when he was born. Mark dresses up as a doctor and Earvin's father dresses up as a grape. Mark invites Earvin's father to go to the dance and try to patch things up with Earvin. Can Earvin forgive his father for leaving him? (thetvdb.com)