Heavy Metal L-Gaim

Ayato Kamina, a 17-year-old high school student, lives in Tokyo Jupiter oblivious to the world around him, having been raised to believe that the rest of civilization has been destroyed; but everything changes when a mysterious alien civilization invades his home.

The story revolves around Duke Fleed who is a survivor of the Vega Star, raised by Dr. Umon as his adoptive son, and known as Daisuke Umon on Earth. Years after his arrival, he's faced with the threat of King Vega and his army, who want to conquer the Earth. With his friends Koji and Hikaru (and later his kid sister Maria Grace), Duke decides to fight back using his best weapon, the almighty Grendizer.

Set in the future, a giant fighting machine called the Aquarion is humanity's only effective weapon in the fight against the technologically advanced species called the Shadow Angels.

High-school student Amate Yuzuriha lives peacefully in a space colony floating in outer space. But when she meets a war refugee named Nyaan, Amate is drawn into the illegal mobile suit dueling sport known as Clan Battle.

After years of absence, Teppei’s joyous reunion with his brother is cut short when the two brothers are attacked. When his brother is kidnapped, Teppei gives chase only to find himself cornered in a junkyard when a miracle appears. His spilled blood awakens the legendary B’t X.

After a mysterious spaceship crashes on Earth a fleet of spaceships belonging to a race of aliens known as the Zentradi descend upon Earth sparking an intergalactic war.

Five unlikely teenage heroes and their flying robot lions unite to form the megapowerful Voltron and defend the universe from evil.

Hiroshi Shiba is a car racer who is mortally wounded in a laboratory accident, but restored to life by his father, Professor Shiba.

Fifty years in the future, an oppressive authoritarian force threatens to conquer the world. A daring team is recruited to pilot a new form of weaponized neuroscience that powers devastating mecha, but they must be willing to sacrifice everything to save the world.

Earth kids enter a conflict between two factions of Transformers.

On their dying planet, the Autobots and Decepticons battle fiercely for control of the AllSpark in the Transformers universe's origin story.

While Megatron takes drastic measures to save the Decepticons, the Autobots fight to save all of Cybertron from both on the planet and aboard the Ark.