In Fairy Tail Episode 71, "Friendship Overcomes the Dead," the guild battles the Dragonoid, a massive machine fueled by Natsu Dragneel that threatens Magnolia Town. While Erza, Lucy, and Wendy confront the threat directly, Gray reveals his supposed betrayal was a plan to enable Natsu to destroy the beast, highlighted by a Unison Raid with Juvia. Official streaming options include Crunchyroll and Amazon Prime Video.