Brick wants Frankie to dress as a superhero for a school presentation; Sue fails to make the swimming team; and Axl gets his provisional driving licence.
Frankie tries to explain Brick's eccentricities to a new teacher; Sue competes in her first cross-country race; and Brick tests a few urban myths.
The Hecks head off on a last-minute break ahead of the new school year; Axl plays a mischievous trick on Sue; and Frankie walks out after being humiliated by a member of her family.
Brick tries to grow a giant tomato; Frankie goes back to college; and Sue mentors a new pupil.
Axl moves into his college dorm; Frankie is annoyed that Axl is returning Mike's texts but not hers; and Sue lands a job in a shopping mall.
In Season 6, Sue finally has her braces removed, Axl furnishes his new house with items stolen from his family home, and Brick tells Frankie and Mike he wants to go to a school dance.
In Season 7, Brick is worried when Cindy says they should take their relationship to the next level, Axl tries to solve an ant problem at his house, and Sue puts her foot in it with Devin.