Episode 909

"Mysterious Grave Markers - A Reunion at the Ruins of Oden Castle!" is the 909th episode of the One Piece anime

Short Summary
While traveling to Oden Castle, Komachiyo, Law, Luffy, Zoro, and Kiku encounter a ferocious tiger. Zoro separates from the group to fight the tiger.

The rest of the group later arrive at the ruins of Oden Castle. After seeing the graves of the Kozuki Family, Luffy reunites with Kin'emon, Momonosuke, Sanji, Nami, Brook, Chopper, and Carrot. Once they are inside Oden Castle, Kin'emon reveals that he, Momonosuke, Kiku, Raizo, and Kanjuro came from the past.

Anime Notes

 * The anime adds the following:
 * On the way to Oden Castle, Luffy's group is chased by a tiger wielding a sword. Zoro jumps off Komachiyo to fight the tiger. In the manga, it was not explained how Zoro separated from the group.
 * While the woman who can stretch her neck is teaching her class, an old man is listening in and he is displeased with what the children were learning.
 * Sanji getting smitten with Kiku before going inside Oden Castle.
 * Brook getting angry at Momonosuke for hugging Nami.
 * Brook, Chopper, and Carrot getting into some mishaps while entering Oden Castle.