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.
When Dave and Gemma's elaborate plans for Grover's seventh birthday party go awry, Malcolm and Marty come to the rescue; Calvin's choice of gift winds up sending one person to the hospital.
Calvin reluctantly invites Dave to join his guys' night at home with Malcolm and Marty; Gemma and Tina take their first girls' trip to Vegas and find themselves unexpectedly in the spotlight.
Dave convinces Calvin to hold a yard sale, but when longtime neighborhood resident Miss Simpson makes a purchase Calvin quickly regrets, he enlists Dave to help him get the valuable object back.
When Gemma has her car repaired at Calvin's shop, Tina insists she doesn't need to pay for the work, to Calvin's consternation; Malcolm and Marty find themselves on the same dating app and vie for the same woman's attention.
When Gemma decides to fire a teacher at her school, she's unprepared for the aftermath; Calvin gets a surprise when he faces off with his newspaper carrier.
When Calvin and Dave's college basketball teams go head-to-head, Dave surprises the Butlers with tickets to the game; a friend from Michigan visits and reveals surprising new details about Dave.
When the Johnsons invite the Butlers to go camping, Dave is taken aback by Calvin's idea of roughing it; Gemma and Tina cross paths with Maynard, a general store proprietor who may not be as friendly as he seems.
When a curmudgeonly resident who has few fans in the community passes away, the Butlers step up to host a memorial; Calvin learns something unexpected about himself.
Dave is thrilled when Calvin invites him to go golfing, confident that it represents progress in their relationship; Gemma and Tina team up to pull off an unforgettable surprise for Malcolm, Marty and Grover.
