One Piece (dub) Episode 166 -

The English dub for this episode is widely available. You can stream the Skypiea Arc on Crunchyroll or find the home media releases which include the Funimation dub.

: Meanwhile, the Shandian warriors, led by the fierce Wyper, prepare for their final assault. Driven by the vow of their ancestor Kalgara, they resolve to "light the fire of Shandora" once more and reclaim their ancestral home, regardless of the casualties. One Piece (Dub) Episode 166

: Hidden in the dense forest of Upper Yard, Luffy, Nami, and the crew regroup. According to the One Piece Wiki , they analyze the "South Bird" clues and maps to pinpoint the exact location of the lost City of Gold, realizing it is buried deep within the forbidden territory controlled by Eneru. The English dub for this episode is widely available