Kim Possible was a tremendously popular Disney Channel animated series. So much so that, when the show was cancelled after three seasons, fans banded together to bring it back for season four. Written by Bob Schooley and Mark McCorkle, it was intended to draw both younger and older audiences.

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They accomplished this by combining James Bond-esque action elements with a fast-paced sitcom style of dialogue to appeal to both children and adults. It was the network's longest-running series until it was surpassed by Phineas and Ferb, and is considered to be one of Disney Channel's most successful shows. So we're going to be looking at some of the best episodes that made this show so beloved.

10. Ill Suited (8.0)

The very first episode of the fourth season, when the show was meant to be cancelled after only three. The episode explores Kim and Ron's new romantic relationship. It's immediately put to the test when Bonnie tries to tell Kim that cheerleaders, especially seniors, should only date jocks and tries to advise Kim to "trade up".

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Ron misunderstands when he later hears Kim say that Bonnie was right (about something else), and decides to steal Kim's high-tech battlesuit to try out for the football team. Kim is suspicious, but the trick doesn't come out until Dr. Dementor shows up with a remote control for the suit. Some fans were unsure about the focus on Kim and Ron's relationship, but most were too happy about the show's return to mind.

9. Dimension Twist (8.1)

It seems like every show with sci-fi elements always finds a way to send its characters into TV. And they're almost invariably hilarious. In this episode from the third season, Dr. Drakken manages to get his hands on the Pan-Dimensional Vortex Inducer and starts plotting a way to dispose of Kim Possible forever.

But while he's hatching his scheme, he's also having cable TV installed in his lair. The cable guy inadvertently hooks up the cable box to the weapon and Drakken opens up a rift that dumps all of them—Kim, Ron, Rufus, Drakken, and Shego—into the land of television. They have to rely on Wade to guide them through various shows and find each other again.

8. Oh Boyz (8.2)

This classic episode sees Kim gifted tickets to see The Oh Boyz boy band in concert. Unfortunately, the band isn't "in" anymore and their only fan seems to be Ron. When Ron and Kim arrive at the concert, they're the only ones in the audience. Ron seizes the opportunity to go meet the band backstage.

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Ron finds himself captured alongside the band by Senor Senior, Sr. and Jr. in an effort to begin Jr.'s career as a pop sensation. Sr.'s attempts to ransom the Boyz back to their agent fail because they've just been losing the tour money. So it's up to Kim to rescue everyone, like usual. But Jr. finally gets his wish—in prison, he has a captive audience for his pop performances.

7. Rappin' Drakken (8.2)

Dr. Drakken's newest plot involves a brainwashing shampoo he invented to control the world. No one gave him any marketing tips, however, because he called it "Lather, Rinse, and OBEY" and no one is buying it. To promote his shampoo he decides to appear on the show "American Starmaker" with a rap about his new product.

Kim and Ron go to investigate and Wade gets her a spot to sing as well. When Kim is distracted by Shego and misses her cue, Ron fills in and performs his "Naked Mole Rap", winning the competition. This is a beloved episode by many because of it's two catchy songs, which will be stuck in your head forever.

6. Bad Boy (8.3)

This fun twist on the body swap trope, starts when Dr. Drakken appears at a villain trade show and uses the Attitudinator to concentrate his evil. Instead, the device takes his evilness and dumps it into Ron Stoppable.

Shego's the first to notice when Drakken can't design any evil devices. Shego tracks down Ron, sees that he's better at being evil than Drakken, and takes him with her. So the unlikely team of Kim and Drakken have to work together to set things right.

5. Stop Team Go! (8.3)

The Attitudinator makes another appearance, alongside Shego's superhero brothers Team Go. One of the team's villains, Electronique, used the device to turn reverse the attitudes of all of Team Go, turning the brothers evil...and Shego good.

Kim noticed something off when Shego turns up at Kim's school as a new substitute teacher. The two of them even become friends. But eventually Kim is called to help deal with the problem of Team Go. Even after Shego switches back to normal, it looks like she might miss being friends with Kim.

4. Go Team Go (8.5)

This is the episode where we meet Shego's superpowered brothers. Kim and Ron visit Go City to see the world's largest Bueno Nacho. The restaurant is attacked by villain Aviarius.

Aviarius' weapon steals disguised Hego's super-strength and accidentally gives it to Kim. Hego has to track her down and brings her to Go Tower to ask for help getting his power back. She learns that Shego was once a member of Team Go and, when the younger twins Wego turn up missing, enlists her help to find her brothers.

3. Emotion Sickness (8.7)

More high-tech hijinks occur in this season 3 episode. Kim and Shego are both accidentally tagged with a mood-altering microchip, the moodulator, during a fight. At the same time, Kim loses her Kimunicator and Ron instead picks up the moodulator's remote control to give back to her.

They notice the mix-up once they're home, but neither know what it is. Ron starts messing with it, causing Kim and Shego to cycle through emotions very quickly. He unknowingly leaves it set on "love," which makes Kim crush on him (and Shego on Drakken).

2. Graduation: Part 1 (8.7)

This is the first part of the two-episode season four finale. It obviously deals with Kim and Ron's graduation from high school. Ron, in particular, is very nervous, because Kim has received college acceptance letters and Ron hasn't, making him afraid of the future. Ron receives a warning from Master Sensei about an approaching threat, but misunderstands the warning.

He and Kim are waiting for the ceremony to begin when it's interrupted by an alien invasion. Warmonga, from the movie So The Drama, has returned and has kidnapped both Kim and Drakken to exact her revenge for her defeat.

1. Graduation: Part 2 (8.7)

Following up from Part 1, Shego and Ron are left to figure out a way to rescue their partners. With Dr. Possible's help, they locate a rocket to take up to Warmonga's spaceship. Kim and Drakken are also forced to work together to escape, and the two teams meet up. Now all four of them have to set aside their differences and work together to save their world from the invading force.

Ron ends up saving the day by using his mystical monkey powers to fight off the aliens. With the world saved, the only thing left to do is graduate. And after facing the literal end of the world, it doesn't seem so daunting to Ron anymore.

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