Kim tries to defend her position of head of the cheersquad while she works with a high-strung agent of Global Justice.

Kim catches a nasty cold from the Tweebs, but still accepts a mission to guard a mysterious machine. After Drakken and Shego steal the device, her mother insists that she stay in bed to rest while Ron and then the Tweebs take up her duties. By the time matters are resolved, everybody on both sides of the conflict has caught the cold.

When Mrs. Hatchet discovers that Kim has an overdue library book, KP's cheerleading activities are suspended. Ron realizes that he lost the book, and he has to retrace his steps through the last few missions he and Kim went on to save Kim from...library lock-up!

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.

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.

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.