161. The Ordeal of Spheres! Desperate Struggle in the Lost Forest!(「玉の試練」の脅威！迷いの森の死闘)
Canon
Usopp, Sanji, and Luffy fight Satori, but the power of Mantra seems to be too strong. (Source: Wikipedia) Sky Island saga: Skypiea arc: (9/43)
Aired on: 7/19/2003
