Telegraph Pole Society, a mysterious group, is planning to conquer the world. The principal of the local high school forms a Defense Force by recruiting students from school: Shogi Morita, Kuho Tasuke, and Akiko Ifukube. Meanwhile the high school crazy scientist, Dr. Inogami, has turned a local boy, Kami Sanchin, into a cyborg. They might just defeat the Telegraph Pole Society with the help of the cyborg, or maybe not... (Source: AnimeNfo)

The first two episodes are summaries of the TV series, the third one (Crest of Iron) takes place in an alternate universe.

In a world filled with planes and airships, Sheeta is a young girl who has been kidnapped by government agents who seek her mysterious crystal amulet. While trapped aboard an airship, she finds herself without hope—that is, until the ship is raided by pirates. Taking advantage of the ensuing confusion, Sheeta manages to flee from her captors. Upon her escape, she meets Pazu, a boy who dreams of reaching the fabled flying castle, Laputa. The two decide to embark on a journey together to discover this castle in the sky. However, they soon find the government agents back on their trail, as they too are trying to reach Laputa for their own greedy purposes. Tenkuu no Shiro Laputa follows the soaring adventures of Sheeta and Pazu, all while they learn how dreams and dire circumstances can bring two people closer together.

The journey of a robot prince begins! The planet Cronos is a world of super-robotic lifeforms, ruled by the wise Master Kirai. But their peaceful existence is shattered by the conquering armies of the Gandora robots. Now, machine combats machine in an epic battle for the planet. Master Kurai's son, Rom, must lead a company of transformable mecha warriors into the fray! (Source: centralparkmedia)