

Mazinkaizer SKL (マジンカイザースカル Majinkaizā Sukaru?) is a Japanese OVA spinoff of Go Nagai's Mazinkaiser, which was in itself a spinoff of Mazinger Z. The first episode was released on November 27, 2010 and was first screened on November 27, 2010. It also has a novel adaptation serialized in ASCII Media Works' Dengeki Hobby Magazine and a manga adaptation published in the mobile phone magazine Shu 2 Comic Gekkin. Like Shin Mazinger Shougeki! Z Hen, characters and references to other works of Go Nagai appear in this series.

7.1As Nobita, Gian, Shizuka, and Suneo are making their own space movie, a fleeing bug-sized alien president makes his way to Earth, and needs the help of the kids and Doraemon to stop an oppressive dictatorship threatening his democracy.
6.4After discovering the face of their true enemy, someone who is related to Akito and responsible for the Geass placed upon him, W-0 attempts to return to their base at Castle Weisswolf. However, stranded in Warsaw due to a complication involving their military identification, they are forced to accept the help of local gypsies, allowing the squad to take some time to deepen their bonds. Meanwhile, Britannian advisor Julius Kingsley and his guard Suzaku Kururugi begin working together with the Knights of St. Michael in order to crush the European resistance once and for all, armed with the destructive power of a giant weapon known as the Ark Fleet.
6.5A.D. 2400, DEVA's central council detects an incident of unauthorized access into their mainframe. Someone on Earth was trying to hack into the system. The only information DEVA was able to retrieve was that hacker referred to themselves as "Frontier Setter." To investigate the mysterious hacker's motives, the high officials of DEVA dispatch system Security Third Officer Angela Balzac to the Earth's surface. Equipped with a prosthetic "material body," Angela attempts to make contact with a local agent Dingo, but what awaited her instead was a swarm of Sandworms now infesting the Earth's surface. Angela intercepts the gruesome pests with her exoskeleton powered suit Arhan.
6.9When the evil Dr. Hell attacks the Earth, the mighty giant mecha Mazinger Z is formed to stop him.
6.5In the distant technological future, civilization has reached its ultimate Net-based form. An "infection" in the past caused the automated systems to spiral out of order, resulting in a multi-leveled city structure that replicates itself infinitely in all directions. Now humanity has lost access to the city's controls, and is hunted down and purged by the defense system known as the Safeguard. In a tiny corner of the city, a little enclave known as the Electro-Fishers is facing eventual extinction, trapped between the threat of the Safeguard and dwindling food supplies. A girl named Zuru goes on a journey to find food for her village, only to inadvertently cause doom when an observation tower senses her and summons a Safeguard pack to eliminate the threat. With her companions dead and all escape routes blocked, the only thing that can save her now is the sudden arrival of Killy the Wanderer, on his quest for the Net Terminal Genes, the key to restoring order to the world.
6.3When the Punisher takes out a black-market weapons dealer, he stumbles upon a far-reaching terrorist plot devised by a group known as Leviathan.
7.4Odd Jobs Gin has taken on a lot of odd work in the past, and when you're a Jack of All Trades agency based in a feudal Japan that's been conquered and colonized by aliens, the term "Odd Jobs" means REALLY ODD jobs. But when some more than slightly suspicious secrets from the shadows of Gintoki Sakata's somewhat shady former samurai past and a new pair of odd jobs collide, the action is bound to get so wild and demented that only a feature film will do it justice!
6.7The Third World War (2099–2126) devastated part of the Earth. Former nations are reforming while new powers emerge, and groups of humans struggle to survive in ruined cities. The story follows Deunan Knute and her partner Briareos as they search for the legendary city of Olympus.
6.1While W-0 is away, Leila and the remaining crew at base find themselves surrounded by Britannian Knightmares. Piloting the Vercingetorix, Shin Hyuuga leads the enemy charge, having usurped the position of Grand Master in the Knights of St. Michael. With her core members unavailable, it's up to Leila to protect her comrades, but this may be much tougher than she realizes: a spy lurking among them is finally ready to reveal himself. Left with no choice but to surrender, Leila arranges a meeting with Shin in order to ensure the safety of her squad. But as negotiations begin to fall apart, Akito and an unexpected ally return in the nick of time to turn things around.
6.9The Noharas must survive a hoard of man-eating killer cacti after Shin-chan's father relocates the family to Mexico for work.
6.5The "Academy Island Incident" in which four "kings" cross paths... Since then, Silver Clansmen Kuroh Yatogami and Neko have been searching for their master, Shiro. Without finding any clues to Shiro's whereabouts, the two became disheartened. However, one day, they see HOMRA members Rikio Kamamoto and Anna Kushina being chased by someone.
6.2The Ark Fleet has been destroyed, and a significant number of the enemy's troops have been wiped out due to its crash landing. As the remaining forces of the Holy Order of Michael regroup in order to launch a final assault on Weiswolf Castle, the wZERO unit, along with their new ally Ashley Ashra, stand ready to intercept them. Meanwhile, with his Geass out of control, Shin moves to erase his younger brother's existence once and for all. But Akito, having promised Leila that he will come back alive, refuses to accept such a fate, and the two clash in their final battle.
6.3A top-secret weapon escapes from military custody ready to destroy its pre-programmed target. The nosy freelance reporter who shows up to cover the story lands herself at the center of something even more dangerous than the international scandal she signed up for.
6.6Two tiny, aquatic humanoids search for their missing father, a boy battles a lethal allergy to eggs, and an invisible salaryman tries to become a hero.
6.6A young man finds out that he holds the key to restoring hope and ensuring survival for the human race, while an alien species called the Drej are bent on mankind's destruction.
7.6One year after the events of the anime, Rintarou begins to feel the repercussions of extensive time travel, and eventually completely fades from reality. Kurisu, being the only companion to remember him, now must find a way to bring him back.
6.6Space Pirate Captain Harlock and his fearless crew face off against the space invaders who seek to conquer the planet Earth.
6.2Set on the subterranean Mine-World, a band of human worker are treated like slaves under the power of the evil overlord Zygon until one, Orin, unearths the hilt of a mythical sword that only he can master. Escaping the planet, he runs into the rogue smuggler Dagg and a pair of helpful droids and the princess, who all team up to return to the Mine-World with a plan to defeat Zygon and free Orin's enslaved people.
6.3The war between Euro Britannia and the European Union continues. New orders are given to the W-0 Unit. To land in the middle of the enemy territory as a diversion. The pilots of the W-0 Unit consist only of the commanding officer, Leila, the only surviving Japanese from their last battle, Akito, and the three that escaped from the Eleven ghettos and lived in the underworld, Ryou, Yukiya, and Ayano. With everyone holding their respective expectations, the operation moves forward. On the other side in Euro Britannia, Shin, who made his benefactor commit suicide with the mysterious power of “Geass”, is appointed the leader of the Knights of St. Michael. As Shin steadily advances for the sake of his own ambition, he and his subordinates in the Ashura squad are given orders to deploy. The one that lives in order to fight, and the one that fights in order to live.
6.5During summer vacation Nobita picks up a small rocket containing Papi, a palm-sized alien president escaping rebels on his home planet Pirika.