Kim Possible: Season 4, Episode 9

Big Bother (7 Apr. 2007)

TV Episode  |  TV-G  |   |  Animation, Action, Adventure
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Ron's parents adopt a baby, and Kim and Ron are summoned to Japan to stop Lord Monkey Fist from acquiring an ancient weapon.



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Episode credited cast:
Kim Possible (voice)
Ron Stoppable (voice)
Rufus (voice)
Wade Load (voice)
Rest of cast listed alphabetically:
Yori (voice)
Mr. Stoppable (voice)
Hana (voice) (as Grey DeLisle)
Mrs. Stoppable (voice)
Monique (voice)
Sensei (voice)


For health class, Ron has to take care of a sack of flour as if it were a baby, which proves difficult for him. Ron also finds out that his parents have adopted a baby girl, whom he immediately resents, referring to her as "the intruder." Also, Kim and Ron find out that Lord Monkey Fist has stolen a scroll containing instructions which could enable him to acquire a powerful ancient weapon. When they travel to Japan to stop Monkey Fist, Kim is concerned about Ron being reunited with Yori, the student ninja who was once romantically interested in Ron. Written by Joshua Kreitzer

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Release Date:

7 April 2007 (USA)  »

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Did You Know?


Originally scheduled for March 31, 2007, it was postponed by The Disney Channel in order to avoid being beaten in the ratings by Nickelodeon's 2007 Kids' Choice Awards special. See more »


Wade Load: You got a hit on the site from the Yamanuchi school in Japan.
Ron Stoppable: Yamanuchi... Yori?
Wade Load: Yeah. She said she needs Stoppable-san right away.
Ron Stoppable: [seeing Kim's expression] Wade, you better fill in some blanks, pronto!
Wade Load: To help her! Both of you! Including Kim! Who she asked about! Fondly!
Ron Stoppable: [whistles] Nice save!
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