"The Unflinching Brother Combo - Tachyon Dragon Imprisoned!!" is the one-hundred and twenty-seventh episode of the Yu-Gi-Oh! ZEXAL anime. It first aired in Japan on October 27, 2013.

Quinton and Trey unleash a combination that seals Mizar's "Number C107: Neo Galaxy-Eyes Tachyon Dragon", while Yuma and Astral begin their journey to the Barian World. Meanwhile, Vector renews Don Thousand's brainwashing on Alito and Girag and begins plotting against Nasch.