"Invasion! Obelisk Force" is the eighty-ninth episode of the Yu-Gi-Oh! ARC-V anime. It first aired in Japan on January 17, 2016.
Sora is surprised by the Obelisk Force's sudden arrival. Roger decides to use Sergey to intercept them. On the other hand, after the end of the Duel, Yugo and Yuri’s minds return to normal, and they once again confront each other. Elsewhere, Moon Shadow and Riley run into the Obelisk Force. The two of them split up to fight against the Obelisk Force, but were pushed into a corner!!