Fox volunteers Paul's house for a chaotic party, while Mark struggles to keep order. Mike Jr., Dick, and Amanda drive the Party Wagon, and Mary juggles tasks for her internship.
When school is cancelled, Mark spends the day with Pop touring St. John's. Meanwhile, Mary enters the Miss Mall pageant, and Dick crashes Mike Jr.'s dinner with Amanda's mom.
Mark joins the Peace A Chord concert but takes the spotlight. The Fox family struggles with Susanne's engagement. Mary seeks support while Ritche's struggles to earn his father's approval.
Mark is stunned a friend dies and the school mourns a classmate few remember. Meanwhile, Mary takes a course but is mistaken for the instructor. Mike Sr and Pop take an emotional train ride.
Mark invites Fox to a party with his grown-up theatre troupe where he frustrates her by acting like an adult. Dick is upset to find Mike Jr. dating his daughter.
On a field trip, Mark and Cara fall asleep in the same bed, resulting in a scandalous photo circulating school. Meanwhile, Mike Sr struggles with his memoirs and Mary has a mid-life crisis.
On NYE Fox asks Mark to babysit while their parents double date. Ritche imparts advice leading to a big blowout. Meanwhile, Mike Jr and Amanda share sparks, and Pop has a blast at home!
Mark stars in a PSA for young women and meets experienced child actor Steve, who inspires him. Meanwhile, Mike Sr. relapses at Mr. Murphy's retirement event, leading to a confrontation.
On a moose-hunting trip, tensions rise between Pop and Poppy Bell, pushing Mark into a tough spot. Meanwhile, Fox distrusts her mom's new beau while Mike Sr worries about his future at VOCM.
Mark faces bathroom woes. Fox finds herself parenting her brothers.
Mark and his friends compete on “Reach for The Top”.
Mark is eager to begin his final year of elementary school.
Mark is excited for Halley's Comet, but the magic is lost when he learns Fox is moving. Meanwhile, a new restaurant being built near the Critch house, threatens to change the family forever.
When Fox's father gets arrested, Mark lobbies his father not to report on the crime. Meanwhile, Pop and Mary steal cable with a descrambler.
Mark tries to ‘fake healthy' after falling ill the day he is supposed to meet the Pope. Meanwhile, a rival radio station tries to tempt Mike Jr away from VOCM, breaking Mike Sr's heart.
Mark and Ritche pretend to be Protestant to fit in with a cool group of kids from another school. Meanwhile, Pop meets up with an old flame at a retirement home.
Mark tries to win back Fox during a school trip to “France.” Meanwhile, Pop uses the trip to revisit his past life as a bootlegger with Al Capone.
The kids are allowed to wear jeans at school for Spirit Week. The only problem is that Mark doesn't own a pair. Meanwhile, Sister Rose picks Mary to join her choir.
Mark learns things about his parents he never knew, after a historic storm knocks out power to the Critch house. Meanwhile, when his father's back goes out, Mike Jr has to broadcast all night alone.
Mark falls under the spell of a visiting hypnotist and lets his grades slip. Meanwhile, Pop struggles to lose weight when he gets too fat for his pants.