Episode 517 marks the start of the time skip!!!! Here is the preview for it, enjoy!
If you havent watched 516 watch now at: OnePieceOfficial.com or if your not in America watch at WatchOP.com.

-OneDragonZ
 
A new trailer has come out!!! It features some of the character who have been confirmed up until now duking it out in beautiful ninja action! Naruto Sasuke, Mei, Oonoki, A, Zabuza, Haku, Kakashi, Obito, and Minato! Also Kisame and Itachi are shown at the very end in an anime-style!