Season 4

When Dave starts researching his genealogy, he makes a surprising discovery -- he and Calvin are more than just neighbors; Tina offers to help Gemma when she's overcome with morning sickness, and inadvertently stumbles on a new business idea.

When a member of the community’s behavior becomes increasingly erratic, Calvin and Dave step up to help. Also, Marty undergoes a dramatic makeover to impress a longtime crush.

When Gemma hires Alexis to teach at her school, Tina suspects the new teacher may not be quite who she claims to be. Also, Calvin tries to save the community baseball field where he first taught Malcolm how to play.

When Dave and Gemma face a devastating loss, Calvin and Tina offer emotional support and reflect on a period that tested their own family,

When Calvin and Tina enlist the services of a professional matchmaker for Marty, they can't help but get too caught up in the process; Dave and Gemma adopt new roles during an unexpected date night.

As Halloween draws near, Calvin tries to determine what's behind the sudden strange occurrences at the Butlers' house; Gemma and Tina question if their days of sexy costumes should be behind them.

Calvin is thrilled when he unexpectedly crosses paths with NFL legend Jerome "The Bus" Bettis - until he discovers the Hall of Fame football player shares a history with Tina. Also Dave deals with the fallout of a romantic revelation of his own.

Tina struggles to keep up with her job at Calvin's auto shop due to her burgeoning baking business; Malcolm delays breaking up with a girlfriend when her son becomes an unexpected asset to his youth baseball team.

Calvin decides to splurge on an expensive jacket, then worries it's too special to risk wearing outside the house; Dave and Gemma worry their new friends' daughter is a bad influence on Grover.

Calvin and Dave are both chosen to serve as jurors on the same trial; Malcolm and Marty get a big surprise when they fail to ask what the movie's about after they rent out their house for a film shoot.

As Dave nears his 40th birthday, Calvin offers to coach his friend for an amateur boxing tournament; sparks fly when Marty meets a new woman at the gym.

The Butlers and Johnsons are rattled in different ways after an earthquake strikes; Dave goes to extremes trying to prepare his family for the next earthquake.

When there's a break-in at Calvin's business, he teams up with Dave for a stakeout to catch the culprit in the act; Gemma is uncharacteristically reluctant to share her new hobby with Tina.

Calvin and Malcolm butt heads on coaching styles as Malcolm's little league team approaches its first game of the season; Tina tries to win over a food critic she inadvertently offended before he reviews her cupcakes.

After months of crashing with Malcolm and Marty, Calvin and Tina finally reveal the impressive results of their major home renovation; Dave and Gemma decide it's time to have "the talk" with Grover.

When Calvin discovers his friend Lorenzo is harboring a secret, he struggles with whether to share the information with Tina; Dave becomes concerned about Gemma’s growing closeness to a coach at her school.

Calvin's wealthy and impulsive brother Curtis makes a surprise visit, which creates chaos in the Butlers' lives; Dave and Gemma run into challenges while trying to declutter their home.

When Dave's job requires him to mediate a feud between two wealthy brothers, Calvin tries to help but winds up complicating the process; Gemma turns to Tina for assistance in navigating Grover's first crush.

Calvin and Tina offer to throw a quinceañera for a teen Calvin in mentoring at his auto shop; Dave and Gemma introduce Malcolm to a college baseball coach who has the potential to change his future.

When Calvin is honored by the Chamber of Commerce for the positive impact his business has had on the community, he hopes to finally gain the approval of his mother, Marilyn.

When Tina reunites with her former girl group after decades apart, old issues are reignited, threatening to derail the trio's big performance.

As Marty prepares to propose to his girlfriend, Calvin and Tina work with party planner Chika to throw a celebration that properly honors their future daughter-in-law's Nigerian heritage.