Season 4

01 Ill-Suited Episode 110th February 2007 Ron steals Kim's supersuit to use in the upcoming football game. Meanwhile, Professor Dementor becomes jealous of the suit and devises a system to control it. 02 The Big Job Episode 210th February 2007 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. 03 Trading Faces Episode 310th February 2007 Kim investigates a string of celebrity robberies, but comes up empty-handed. Meanwhile, the tweebs enter Middleton High School as freshmen. Ashley Tisdale guest stars. 04 The Cupid Effect Episode 410th February 2007 Ron offers Wade advice on how to woo Monique, but when it backfires, the young supergenius creates a Cupid Ray. Unfortunately, the device falls into the hands of Senor Senior Senior, who uses it to help Junior seduce all the women in the world. 05 Car Alarm Episode 517th February 2007 Kim receives an old car that she has the Tweebs fix up for her. Meanwhile, Shego and Motor Ed join forces to steal something from the space center. 06 Mad Dogs and Aliens Episode 624th February 2007 Jim and Tim decide to take on the duties of the Middleton Mascot and Ron takes it upon himself to train them. Meanwhile, Drakken is broken out of prison by an alien named Warmonga. 07 Grande Size Me Episode 73rd March 2007 To prove a point, Ron decides to eat only Bueno Nacho. Meanwhile, HenchCo is holding an auction for a molecular transducer that Kim must stop. 08 Clothes Minded Episode 817th March 2007 When Club Banana discontinues Kim's mission clothes just as she needs new ones, she is forced to find a replacement for her long worn clothes. Meanwhile, Kim and Ron start looking for colleges while Drakken starts his next plan. 09 Big Bother Episode 97th April 2007 Ron comes home to unexpectedly find his new adopted baby sister named Hana Stoppable in his room. At the same time, he has to take care of a sack of flour for health class. Meanwhile, Kim and Ron team up with Yori to stop Monkey Fist yet again. 10 Fashion Victim Episode 1014th April 2007 When the Fashionistas and Camille team up to steal secret designs from Club Banana, Kim, Monique, and the Fashion Police must stop them. Meanwhile, Ron and Barkin get trapped inside a shipping crate. 11 Odds Man In Episode 1128th April 2007 Drakken hires a familiar corporate consultant to start his next plans to take over the world. Meanwhile, Ron becomes obsessed in the actuary business. 12 Stop Team Go Episode 125th May 2007 When Shego begins acting very friendly towards Kim and Ron, they investigate and find a comic-book type villain who is trying to conquer Go City with the help of the rest of Team Go. 13 Cap'n Drakken Episode 1319th May 2007 When Kim and Ron go on a senior-class trip to a historic seaport, they meet Drakken who has opened an ancient treasure chest and become possessed by a pirate's spirit. 14 Mathter and Fervent Episode 1417th June 2007 When Ron is assigned to write a paper about his hero, he decides to use Hego as his subject. While helping Hego to fight a new villain, the Mather, Ron gets zapped by a ray that causes everything he touches to explode. Now, an unexpected hero arises to save him. 15 The Mentor of Our Discontent Episode 1523rd June 2007 When Ron gets a scare when he thinks he is getting fired, his boss suprises him by making him watch his son instead. Meanwhile, Frugal Lucre gets let out of prison, and immediately goes back to Drakken. They soon begin a new plan together, much to Drakken's disgust. 16 Oh No! Yono! Episode 161st July 2007 After discovering Hana walking on the ceiling, Kim and Ron try to get to the bottom of Hana's secrets. Meanwhile, Monkey Fist finds an ally in Yono the Destroyer as he continues his search for the "secret weapon". 17 Clean Slate Episode 1728th July 2007 During a fight with Drakken and Shego, Kim gets amnesia and loses all of her memories. Ron now takes on the task of getting her back to her usual self. Meanwhile, Drakken comes up with a plan to turn the military into his slaves. 18 Homecoming Upset Episode 1811th August 2007 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. 19 Chasing Rufus Episode 1912th August 2007 After both Ron Stoppable and shallow Camille Léon leave their beloved pets behind during a fight, Rufus and Debutante go on an adventure, playing a little game of cat and mouse, traversing continents, and finding new friends, all to find their respective owners. 20 Nursery Crimes Episode 2012th August 2007 When the mysterious and creepy Nanny Maim begins reverting people into super babies and using them in a world-wide robbing spree, Kim must use her natural baby-sitting skills to save the day. 21 Larry's Birthday Episode 211st September 2007 Kim plans on throwing her cousin Larry a surprise birthday party, but she has to keep him busy until the party is ready. Meanwhile, Dementor enlists the help of his brother-in-law to steal Kim's battlesuit. 22 Graduation, Part 1 Episode 227th September 2007 High school graduation nears for the senior class, but Warmonga's return jeopardizes everything as Team Possible goes through their toughest odds yet to save the planet. 23 Graduation, Part 2 Episode 237th September 2007 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.