Kim Possible S02 E19 Go Team Go

"What's the sitch?"

On their trip to Go City, Ron and Kim come across a villain named Aviarius who is seeking the power of another hero. However, when Kim inadvertently winds up with the a hero named Hego’s powers, she soon learns that the only way to restore what isn’t hers and to help stop a mad man may be to team up with her deadliest foe; Shego.