Gemma holds a fundraiser for a new school pool; Tina and the other teachers are being overworked; Dave convinces Calvin to finally commit to doing physical therapy for his knee.
Marty and Courtney's baby name gets spread around because nobody can keep a secret; Dave is assigned the ever-complicated task of assembling the diaper changing table.
The whole crew heads out to see Toni Braxton live in concert, but just as the show begins, Courtney's water breaks.
When a water pipe bursts at the Johnsons' home, Calvin reluctantly agrees to help Dave repair the damage; Gemma discovers a surprising secret about her new neighbor, Tina.
Dave gives Calvin a key to his house in case of an emergency and is pleasantly surprised when the gesture is reciprocated.
Everyone but Calvin accepts Dave and Gemma's invitation to their housewarming party; 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.
Nothing goes as planned when Dave sets up an anniversary celebration for Gemma and Calvin; Tina baby-sits the Johnsons' son, Grover.
When Calvin and Tina learn Marty has a new girlfriend, they insist he invite her over for dinner, with surprising results.
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.
Tina agrees to give Grover piano lessons; Malcolm lands a job in retail sales; neither has a first day that goes quite according to plan.
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.