Kim accidently turns Ron into a selfish jerk with a new haircut, all while two new villians begin their new evil hobby.

Kim reluctantly takes on the coaching of Jim and Tim's soccer team, and is quickly overcome with competitive spirit. At the same time, Señor Senior, Sr. has similar issues coaching his son through his first "evil scheme."

When Kim and Ron accidentally show that a stunt show is all staged, the host wants revenge. Meanwhile, the entire school thinks Kim likes Brick Flagg.

When Animology sweeps over the school, Kim tries to avoid it, but she gives into the fad. Meanwhile, the Seniors start their most dangerous plot to date.

When Señor Senior Sr. becomes disappointed in the way his son’s villainy is handled, he decides to hire a tutor to ensure his son’s success; which turns out to be Shego. Meanwhile, a hopeless Kim is stuck on Home Economics with Ron but when Ron becomes an expert chef while Kim can’t cook a single thing, Ron is chosen to help Kim out. Can Kim overcome her predicament or is this one sitch that she cannot escape from?

To help his son's ongoing quest to become a pop sensation, Senor Senior, Senior kidnaps the Oh Boyz band to blackmail the record company. The plan backfires when Ron winds up captured along with the group. The record executive, finding the Oh Boyz' disappearance to be a profit windfall, is in no hurry to help so Kim must find Ron and the others on her own.

After a long list of attempts to turn himself into a jock go sour, Ron gets a new chance to compete in the X games when he and Kim are sent to investigate a series of robberies.

Junior attempts to rob the Tower of London, but accidentally tries to rob a movie set replica. Kim and Ron go to stop them and perform an extreme mid air stunt and the movie set's director offers them a movie, which they happily agree to. Kim now must deal with Heather, an actress who is going to be her in the movie taking her friends, and Ron has to deal with Quinn, an actor who is going to be him in the movie act completely opposite of him. All of this while they have to stop Junior who is out for revenge on the director for not putting him in the movie.

When Señor Senior Junior breaks Shego out of prison to help him get his father a great birthday present, it's up to Kim and Ron to stop them. Meanwhile, Kim urges Ron to get a job after he uses coupons on their date.

Things get out of control when Ron and Bonnie become the homecoming king and queen. Now Kim has two problems to deal with – a missing computer expert and Bonnie making a move on her boyfriend.

After both Kim and Drakken have been taken captive, Ron and Shego must race to rescue them from the clutches of Warmonga, Warhok, and the other invaders. All of the main characters must now band together to save the planet that they call home.