When Dave decides to disconnect the Johnson home from the grid, he inadvertently causes a community-wide power outage; in the wake of Marty's engagement, Tina struggles with no longer being the primary woman in her son's life.
When Calvin takes Dave's suggestion to try a new method of promoting his business, he soon comes to regret it; Gemma recruits Tina to rescue her struggling after-school music program.
When Malcolm treats Calvin, Dave, Gemma, and Grover to VIP tickets to a Dodgers game, the outing isn't quite a home run; Marty's movie night with fiancée Necie goes sideways when Tina decides to join.
When Dave is up for promotion at work, Calvin tries to help him negotiate a raise from his penny-pinching new boss; Tina struggles with whether to share some sensitive information with Gemma.
When Calvin stumbles upon a big business opportunity, he must convince Malcolm to help him so he can seal the deal; Gemma is forced to confront a secret from her beauty pageant past when a friend from her hometown arrives.
When Calvin hires Grover to work part time at his business, he soon realizes the preteen is not a good fit; Marty and Necie reconsider their living situation.
When Calvin's favorite restaurant closes and is replaced by a flashy pet spa, he worries the community is losing too many small businesses and starts a campaign to only buy local; Tina helps Necie prepare a special surprise for Marty.
Calvin and Tina decide to take the honeymoon they never had to Madrid. Also, Dave and Gemma team up with Malcolm and Marty on a project intended to surprise Calvin upon his return.
When Tina insists Calvin find something to do in retirement, he decides to enter a competitive cornhole tournament; Marty plans an elaborate "groom-posal" to ask Malcolm to be his best man.
Calvin struggles to find the perfect birthday gift for Tina; Gemma works a connection to actor Jerry O'Connell, whose kids attend Walcott Academy, to secure VIP tickets to "The Talk" for her school's fundraiser.
Calvin and Marty encounter difficulties trying to secure financing for their new business; Dave invites his boss to Grover's 13th birthday party, much to Gemma's frustration.
With her usual stylist unavailable, Gemma decides to use Tina's hairdresser for an important work event; Malcolm discovers a connection with his new professor.
Calvin and Marty are surprised when their new business sparks protests from residents concerned about gentrification; Grover's family tree project reveals fresh details about the whereabouts of Dave's father, who left when he was a child.
When Dave's estranged father, Lamar, arrives in town eager to reconnect, his son finally learns the truth about his disappearance 30 years prior; Marty struggles to fire an underperforming employee.
Calvin pushes Marty to move up the opening of their new business to get a valuable celebrity endorsement; Dave continues to struggle with the return of his father; Tina and Gemma prepare for the opening of their new school play.
