Frankie does not make a good impression on the first day of dental assistant school; Mike and Frankie ask Axl to get a tutor and improve his grades; Sue and Brick try to pawn an item they found in an old safe.

Frankie invites a couple of Marines to share Thanksgiving with her family; Axl gets good news; Sue tries to find the person who stole the chicken head from her uniform; Brick is mesmerized by a book.

When Frankie and Mike dedicate a day to each of their children, Axl takes them to a paintball range, Sue has them do 17 separate activities and Brick wants to go to a sci-fi convention.

Frankie tries to get Mike to spend time with a new neighbor who shares his interests; Sue demands a cheer-off between the Wrestlerettes and the cheerleaders.

Frankie's sister (Molly Shannon) offers to help at the house while Frankie studies for her finals for dental-assistant school; Axl tries not to act jealous when Cassidy's ex-boyfriend visits.

Disappointed with the finale of "The Bachelor," Frankie mopes for days; when Sue joins the school's tennis team, Mike tries to toughen her up by complimenting her opponents during matches; Cassidy and Axl consider the future of their relationship.

Frankie tells the kids what she wants for Mother's day so one of them can clue in Mike; after repeatedly failing the driving test, Sue feels resentful when her friends get their licenses; Axl receives stunning news from Cassidy.

Tension builds as Frankie tries to plan a graduation party for uncooperative Axl; Sue tries to get her driver's license for a sixth time; Brick must assemble a slide show highlighting the past four years of school.

Frankie tries to persuade Mike to attend a dinner honoring his dedicated service at the quarry; Sue forms a plan to build connections between students; Axl hopes to track down a girl who left a message on his phone.

When Frankie is arrested over an unreturned library book, she thinks Brick is at fault; Cassidy and Axl are reunited during spring break.

Bill backs out of coaching the girls soccer team, Frankie tries to teach Brick better hygiene, and Cassidy's painting confuses Axl.

Axl is startled to run into nearly all of his former flames at a St. Patrick's Day party leaving him to wonder if it is a sign about his love life; Brick buys an old microfiche machine at a library sale, leaving Frankie and Mike less than thrilled.