Dave gives Calvin a spare key to the Johnsons' house in case of an emergency and is pleasantly surprised when the gesture is reciprocated - or so he thinks.
Dave and Gemma decide to invite the Butlers to their housewarming party. However, when everyone but Calvin accepts, Dave decides he's finally had enough of Calvin's refusal to welcome him to town.
Unexpected revelations are in the cards during the Johnsons' first game night with the Butlers; Gemma is prompted to rectify a past wrong; Malcolm makes a play for a fresh start with his father, Calvin.
Dave plans a special anniversary celebration for Gemma while Calvin and Tina babysit the Johnsons' son, Grover, during an evening when nothing goes according to plan.
Dave and Gemma host a memorable Thanksgiving in their new home; Dave's politically incorrect mother visits from out of town and meets the Butler family for the first time.
When Malcolm is robbed and won't reveal the thief, Calvin and Dave team up to crack the case of the missing sneakers; Tina takes a unique approach to teaching Gemma self-defense.
Tina gets carried away when she tries to help Gemma ace her first fundraiser as school principal; Dave tries to help Calvin win a special silent auction prize for his mom.