The celebration is interrupted when a group of "duelists" led by a man named Nelson Andrews (who plays the character "ESPer Robin") causes a scene. Yuma eventually faces off against a mysterious challenger while the tension for the upcoming finals builds.
However, "Zexal Second" (or Zexal II ) typically refers to the second half of the series, starting from Episode 74. If you are looking for the 50th episode specifically within the Zexal II sequel (which would be Episode 123 of the overall series), that episode is titled (Japanese title: "Hero's Arrival! The One Standing Against the Three Emperors!"). Yu-Gi-Oh! ZEXAL — Episode 50: "Party Panic" Yu-Gi-Oh! Zexal Second Episode 50
Yuma, Astral, Tori, Shark, Kite, and the introduction/reappearance of various WDC finalists. The celebration is interrupted when a group of
If you meant the 50th episode of the second series, the tone is much darker as the Barian Invasion reaches its peak. If you are looking for the 50th episode
Confidence and the calm before the storm as the world's greatest duelists gather in one place.