Stitch!: Itazura Alien no Daibouken - Uchuu Ichi no Oniichan
English name: Stitch: Son of Sprout
Genres: Adventure, Comedy, Sci-Fi
Type: Special, Episodes: 1
Aired: Aug 8, 2010
Studio: Madhouse
Source: Other
Rating: G - All Ages
Synopsis:
An exclusive episode showing the guest character, Kijimunaa's sister, who looks like Kijimunaa and is pink. 

(Source: Wikipedia)