"Monkey See, Monkey Duel", known as "Release of the Wilderness! SAL Duel" in the Japanese version, is the thirteenth episode of the Yu-Gi-Oh! GX anime. It first aired in Japan on December 29, 2004 and in the US on October 27, 2005.
Chazz leaves Duel Academy, and in attempting to find him, Jaden discovers men from an animal testing lab deep in the forests around Duel Academy. He Duels one of their "creations", a monkey named Wheeler.
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