ワンピース エピソードオブルフィ 〜ハンドアイランドの冒険〜
One Piece Episode of luffy ~ Hand Island Adventure ~
saw in the close caption:
『ワンピース エピソード・オブ・ルフィ』 シャンクスとの出会いから 新世界までの冒険
『One Piece - Episode of Luffy』 Adventure to the New World from the encounter with Shanks
airing the 15 dec 2012 at 9pm (a saturday evening like the nami special)
–-
This screenshot come from a capped trailer that aired on fujiTV, i don't bother up the full trailer because it's practically the same than the one that was at the end of the episode 570 (just a different video editing, no new footage)
I guess this is the special episode people talked about in the vol Z thread, and we can assume it's also a 2 hours episode.
EDIT: trailer 2 :
EDIT: trailer 3 :
EDIT: trailer 4 :
EDIT: trailer 5 :