"Mirai Shōnen Conan Tokubetsu-hen - Kyodaiki Gigant no Fukkatsu" is a special episode of the anime series "Mirai Shōnen Conan," which serves as a continuation of the original story. The narrative is set in a post-apocalyptic world where civilization has collapsed due to a catastrophic war. The story revolves around Conan, a young boy who lives on Remnant Island, a place where survivors have built a new life. Conan possesses extraordinary strength and agility, traits that make him a key figure in the struggles of his community.

The special episode focuses on the revival of the Gigant, a massive warship from the old world that had been buried underground. The Gigant, once a symbol of destruction, is discovered by a group of scavengers who aim to restore it for their own purposes. Conan, along with his friends Lana and Jimsy, becomes aware of the threat posed by the Gigant's resurrection. The trio embarks on a mission to prevent the warship from being used as a weapon of mass destruction.

As the story progresses, Conan and his companions face numerous challenges, including confrontations with the scavengers and the inherent dangers of the Gigant itself. The narrative explores themes of survival, the consequences of technological misuse, and the resilience of humanity in the face of adversity. The characters' interactions and their determination to protect their world drive the plot forward, culminating in a climactic battle to stop the Gigant's activation.

The special episode maintains the tone and style of the original series, emphasizing action, adventure, and the moral dilemmas associated with the remnants of a fallen civilization. It provides a deeper insight into the world of "Mirai Shōnen Conan" and the ongoing struggles of its characters, while also introducing new elements that expand the series' lore.