Wanting to impress Mia, Duncan asks his mom Annie to teach him how to drive.
Duncan's friends replace him with Kimberly in their online video game tournament, so he joins the opposition to betray them and humiliate Kimberly. Meanwhile, Annie tries to force Jack to throw out all his old memorabilia cluttering the garage.
Annie ropes Duncan into her investigation of a criminal selling counterfeit goods. Jack ends up making Kimberly and Jing violently ill in his attempt to be a cool dad.
The town celebrates its annual Witch Day, which involves pronouncing a mortified Duncan the "town virgin" for the big ceremony, but he protests the celebration to impress Mia, who finds it sexist and barbaric. Meanwhile, Annie and Jack steal a dead woman's chili recipe to try and win the celebration's chili cook-off.
When the family gets a new smart fridge that turns out to be too smart for Annie's liking, she feels replaced. Jack and the kids see no harm in the fridge's increasing invasions of their privacy until they realize that the appliance company that sold them the refrigerator has questionable motives.
To celebrate their anniversary, Jack and Annie rekindle the passion of their youth by visiting a 1980s-themed club, before realizing that their maturity might not be that boring after all. Meanwhile, Jing makes Duncan "marry her," but their make-believe quickly becomes complicated by real marital problems.
Jack follows his dream of writing a rock opera when a sexy new plumber steals all of his customers, prompting him to quit his day job.
Annie gets her own public access court show after a confrontation with a rich resident who forced the Harrises from their favorite swimming spot.
When Jack and Annie decide to give the kids more responsibility, Duncan and Kimberly are sent on a trip to the grocery store, only to end up in Mexico.
Annie feels underappreciate on Mother's Day and adopts Duncan's friend, Wolf, who seems to care more about her than her own kids. Meanwhile, Jack tries to make amends by finding Annie a rare flower.
Duncan runs for class president against Mia, but soon realizes the competition is more than he bargained for. Meanwhile, Kimberly participates in a cookie fundraiser. However, when she pulls a sneaky trick, she quickly learns what goes around, comes around.