movie adaptations stuck in development hell

A teenage boy finds himself recruited as a member of an elite team of pilots by his father.

In the war between the Earth Federation and Zeon, a young and inexperienced crew find themselves on a new spaceship. Their best hope of making it through the conflict is the Gundam, a giant humanoid robot, and its gifted teenage pilot.

A secret military project endangers Neo-Tokyo when it turns a biker gang member into a rampaging psychic psychopath who can only be stopped by a teenager, his gang of biker friends and a group of psychics.

In the future, the Japanese government captures a class of ninth-grade students and forces them to kill one another under the revolutionary "Battle Royale" act.

A British taskforce, lead by the daughter of the vampire hunter Prof. Van Helsing, battles the supernatural with the aid of two vampires.

This series focuses on five lion robots and their pilots as they fight the evil forces of King Zarkon and Prince Lotor.

An alien spaceship crash lands on Earth and the technology and secrets she bears lead Earth into three destructive interplanetary wars.

In the year 2199, a starship must make a dangerous voyage to the distant planet Iscandar and back to save Earth from an alien invasion.

The master thief Lupin III and his cronies continue their globe-trotting exploits, with the stubborn Inspector Zenigata ever at their trail.

The magical action-adventures of a teenage girl who learns of her destiny as the legendary warrior Sailor Moon and must band together with the other Sailor Scouts to defend the Earth and Galaxy.

17-year-old Shinichi Izumi is partially infected by a Parasyte, monsters that butcher and consume humans. He must learn to co-exist with the creature if he is to survive both the life of a Parasyte and a human as part monster, part person.

The young warrior Son Goku sets out on a quest, racing against time and the vengeful King Piccolo, to collect a set of seven magical orbs that will grant their wielder unlimited power.

A female mercenary team, armed with unique power armor suits, battle the forces of the corrupt mega-corporation, Genom in futuristic Tokyo.

A girl is involuntarily engaged to a boy who turns female when hit with cold water and male when hit with hot.

After his hometown is destroyed, young Eren Jaeger vows to cleanse the earth of the giant humanoid Titans that have brought humanity to the brink of extinction.

After two years in hiding, a famed space pirate with a "psychogun" for a left arm joins a bounty huntress on a quest to save her world, only to find himself battling an old enemy.

Thirty-three years ago, an alien force known as the "JAM" invaded Earth through a dimensional portal over Antarctica. Earth's forces managed to drive the JAM away to a distant planet designated as "Fairy". While the majority of Earth's population is unaware of the JAM's presence, the war continues on Fairy, where Rei Fukai is an SAF (Special Air Force) pilot assigned to pilot "Yukikaze"-an advanced reconnaissance fighter plane equipped with a near-sentient A.I. that detects the presence of the JAM within its path.

The adventures of the last human alive and his friends, stranded three million years into deep space on the mining ship Red Dwarf.

In the mid 23rd century, the Earth Alliance space station Babylon 5, located in neutral territory, is a major focal point for political intrigue, racial tensions and various wars over the course of five years.

Level-headed son Michael Bluth takes over family affairs after his father is imprisoned. But the rest of his spoiled, dysfunctional family are making his job unbearable.

Xena, a mighty Warrior Princess with a dark past, sets out to redeem herself. She is joined by small town bard, Gabrielle. Together they journey the ancient world and fight for the greater good against ruthless Warlords and Gods.

A group of convicts and outcasts fight a guerrilla war against the totalitarian Terran Federation from a highly advanced alien spaceship.

An international team of scientists and military personnel discover a Stargate network in the Pegasus Galaxy and come face-to-face with a new, powerful enemy: The Wraith.

The story of a group of British teens who are trying to grow up and find love and happiness despite questionable parenting and teachers who would rather be friends (and lovers) than authority figures.

Two F.B.I. Agents, Fox Mulder the believer and Dana Scully the skeptic, investigate the strange and unexplained, while hidden forces work to impede their efforts.