Doraemon: Nobita and the Green Giant Legend (2008)

A sapling Nobita discovers is turned into a plant-boy with help from Doraemon, and becomes Earth's only hope at passing judgment from the dryadic aliens of the Green Planet.

Director:

Ayumu Watanabe

Stars:

Wasabi Mizuta (Doraemon (voice)), Megumi Oohara (Nobita (voice)), Yumi Kakazu (Shizuka (voice)), Tomokazu Seki (Suneo (voice)), Subaru Kimura (Gian (voice)), Takuya Yoshikoshi (Tree Treasure (voice))