Sonic X (2003)

When an explosive battle with Dr. Eggman shatters the universe, Sonic races through parallel dimensions to reconnect with his friends and save the world.

Five children receive strange messages on their cell phones that lead them to a train that takes them to the Digital World, a strange world filled with bizarre creatures called Digimon. These children have been sent there to stop an evil Digimon named Cherubimon from completely annihilating the planet of all its inhabitants. In order to accomplish this, the five children must locate their "spirits", which will evolve them into the Legendary Warrior Digimon. Unfortunately for them Cherubimon has ordered his servants to stop the kids from finishing the mission; eventually the children will have to fight Cherubimon's forces in order to save the planet.

When aspiring duelist Yuma meets Astral, a mysterious visitor from another universe, it seems like destiny. Yuma needs Astral to teach him how to duel, and Astral needs Yuma to help him regain his memories!

While at summer camp, seven kids come across seven Digivices and are transported to a strange digital world. In this new world they make friends with creatures that call themselves Digimon who were born to defend their world from various evil forces.

Ace Bunny, Tech E. Coyote, Danger Duck, and friends are transformed into superheroes when a meteor hits the planet 700 years in the future. Now they spend their time making jokes while blasting monsters and asteroids with “neutron cannons” and whatever other weapons they have at hand.

A diminutive pink creature orbiting in space named “Kirby” crash lands into Dream Land. Once getting acquainted with the citizens who live there in Cappy Town, he begins to defend the town from the monsters that King Dedede, the self-proclaimed ruler of Cappy Town, orders from the evil Nightmare Enterprises.

Genki is a boy who loves playing the Monster Rancher games and one day he's somehow transported into the world of the video game where he meets the girl Holly and the monsters Mochi, Suezo, Golem, Tiger and Hare. Together, they are searching for a way to revive the Phoenix, which is the only monster capable of stopping the evil Moo.

Sonic, Tails, Princess Sally, and a band of freedom fighters battle to overthrow Dr. Robotnik, a despotic dictator who conquered their home planet Mobius years ago, and rules it as a polluted industrial dystopia.

Digimon Fusion, known in Japan as Digimon Xros Wars and in Malaysia as Digimon Fusion Battles, is the sixth anime children television series in the Digimon franchise by Akiyoshi Hongō, produced by Toei Animation. It follows a boy named Taiki Kudō who utilizes the power of joining together Digimon in order to save the Digital World. The series was broadcast on TV Asahi and Asahi Broadcasting Corporation between July 6, 2010 and March 25, 2012, divided into three seasons, titled Xros Wars, The Evil Death Generals and the Seven Kingdoms, and The Young Hunters Who Leapt Through Time respectively.

A heart warming story of "destroy all humans." Uzi, a sardonic teen worker robot gone rogue befriends N, an excitable optimistic disassembly drone sent to destroy her, creating what we can assume is a very bad relationship for mankind.