Yu-Gi-Oh! GX Episode 137: Sho`s Decision "Proof of Friendship"
Episode 137 of 180 of Yu-Gi-Oh! GX, aired May 23, 2007, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Filled with doubt about Jaden, Syrus wanders alone across the other world. Syrus also meets his brother Zane and they have a heart to heart talk about Syrus's friendship with Jaden. Zane leaves but refuses to tell Aster why.