Kim Possible - Season 2 - Eps 12: Exchange
When Middleton High School participates in a student exchange program, Ron is selected to go to a school in Japan while a student named Hirotaka is chosen to come to Middleton. Ron finds out that the school he was assigned to visit is a secret ninja school while Kim and Monique eventually start crushing on Hirotaka. However, when Lord Monkey Fist steals the Lotus Blade from Ron’s sensei, it’s up to Ron to save the day; though without Kim’s help.
About Kim Possible

Title: Kim Possible
First Air Date: 2002-06-07
Last Air Date: 2007-09-07
Status: Ended
Rating: 7.536/10 (from 508 votes)
Language: EN
Seasons: 5
Total Episodes: 86
Network: Disney Channel
Genres: Animation, Action & Adventure, Comedy, Kids
Production Companies: Disney Television Animation
Synopsis
If there's danger or trouble, Kim Possible is there on the double to save the world from villains... and still make it home in time for cheerleading practice! Luckily, Kim has her sidekick Ron Stoppable and his pet naked mole-rat Rufus by her side.
Cast

Christy Carlson Romano
Kim Possible (voice)

Will Friedle
Ron Stoppable (voice)

Nancy Cartwright
Rufus (voice)

Tahj Mowry
Wade Load (voice)