Yu-Gi-Oh! GX - Chapter 056

The Mystery of the Planet Series!! is the fifty-sixth chapter of the Yu-Gi-Oh! GX manga.

It was first printed on July 21, 2010 in the 09/2010 issue of V Jump.

Chapter summary::[[Jden Yuki and Adrian Gecko finish their Duel. Afterwards Jesse Anderson challenges Syrus Truesdale to a Duel.]]