La un an după ce familia Johnson s-a mutat lângă familia Butler, Dave este dornic să-și asume un rol mai important în grătarul anual dat de Calvin și să demonstreze cât de bine s-a integrat în comunitate.

Când Tina decide să aducă îmbunătățiri casei, Dave se oferă voluntar să zugrăvească, încălcând 'codul masculin' al lui Calvin și declanșând un lanț de evenimente ce afectează ambele familii.

Când Grover se încaieră cu un bătăuș la școală, Gemma e împărțită între rolul de directoare și cel de mamă protectoare. Calvin îl încurajează pe Marty să-l înfrunte pe propriul lui agresor, dar e șocat atunci când află cine e acela.

Când Dave taie din greșeală electricitatea familiei Butler în timpul unui val de căldură, Calvin și Tina îşi petrec noaptea la familia Johnson, unde Calvin face o descoperire surprinzătoare despre Dave.

Dave and Tina discover a common bond when they attend a concert together. Gemma seeks the Butlers' help when an unwelcome visitor takes up residence in the Johnson home.

As Calvin and Tina near a milestone anniversary, Dave and Gemma decide to help the Butlers have the wedding they missed out on the first time around. Also, Malcolm and Marty prepare an unforgettable performance for their parents’ special occasion.

With Calvin down a teammate for his annual bowling championship, Dave offers to fill in and soon finds his mediation skills put to the test when he meets the competition: Calvin’s arch-rivals, the Pink Ladies. Also, Gemma and Tina dare to face off against each other for the top ranking in an arcade game.

When Gemma sets a reluctant Malcolm up on a blind date with a teacher at her school, she discovers new details about the origins of her relationship with Dave. Also, Marty helps Calvin and Tina plan for their future

Calvin reluctantly agrees to let Marty create a website for his auto shop in the hopes of drumming up more business. Also, with Gemma out of town for a school retreat, Dave makes it his mission to prove to his son, Grover, that there's more to life than his favorite gadgets.

When the Johnsons' Christmas present for Grover is stolen, Calvin and Dave team up to recover the gift in time for the holiday; a nostalgic Tina tries to get into the Christmas spirit by reviving traditions from when Malcolm and Marty were kids.

Dave's patience is tested when Gemma's freeloading sister, Brittany (Deborah Baker Jr.), suddenly shows up with plans for an extended stay. Also, Calvin grows frustrated that Malcolm is still living at home, even with a new job

Tina spends time with the charming new minister she helped select for her church; Calvin suspects the man may be coveting more than just job security; Marty gets a surprise when he finally meets his disruptive, new upstairs neighbor.

When Calvin and Dave get shown up by Gemma and Marty at a local bar's trivia night, the pair hatch a plan for a do-over to redeem themselves. Also, a frustrated Tina decides to take matters into her own hands in order to finally meet Malcolm's girlfriend, Sofia.

Dave puts his professional conflict mediator skills to the test when he offers to help Calvin find out why his employees are quitting. Also, Marty devises an elaborate plan to help him earn a date with his new upstairs neighbor.

After Calvin enjoys attending a hockey game with Dave, Malcolm and Marty wonder if their neighbor is rubbing off too much on their dad; Tina decides to enjoy the perks that come with her "stardom" when she's mistaken for an A-list celebrity.

When Calvin decides to film a local TV commercial for his business, he enlists Dave, Tina and Marty to help, but it doesn't take long for creative differences to arise. Also, Malcolm considers making a grand gesture when his girlfriend, Sofia, is offered her dream job abroad.

When Grover joins Calvin's youth basketball team, Gemma finds herself at odds with some of her neighbor's coaching methods; Tina and Marty are forced to confront a long-buried Butler family secret.

When Tina receives unexpected news, Calvin, Dave and Gemma encourage her to embrace a new chapter by taking a big leap of faith -- literally -- by learning to skydive; Marty helps Grover create a battle bot for a science competition.

A surprise delivery prompts Dave and Gemma, as well as Calvin and Tina, to examine the power dynamics in their respective relationships.

A near-accident awakens Dave's sense of civic duty, prompting him to team up with Calvin to try to improve the safety of their community; a trip to the county fair turns into a nerve-racking adventure for Malcolm, Marty and Grover.

Dave makes a run for city council, working hard to earn Calvin's support, only to have a controversial photo threaten to derail his entire campaign.