The best Hiroya Ishimaru’s adventure movies

Mazinger Z vs. Devilman is a 1973 animated movie that crossed over two then-popular Anime series, both of which were created by Manga artist Go Nagai. While fighting with some of his enemies Mazinger Z inadvertently knocks them into a volcano, where they crash into the prison of the Satan race and release Phoenix Jenny! Dr. Hell, learning of this, frees the rest of the Satan race and teams up with them to defeat Mazinger Z, and their ability to fly proves to be too much for our hero. Meanwhile, Devilman is also individually fighting the members of the Satan race, but their combined power is too much for him as well; can Mazinger and Devilman put aside their differences and team up to defeat Dr. Hell and the Satan race?

The time of the New Generation Heroes is drawing to a close. Hiroyuki is being targeted by a dark power, forcing the other Ultra Heroes, from Ginga to R/B to appear and help the Tri-Squad battle these evil forces. But among them is Taiga's father? What has happened to Ultraman Taro?!

Alien invaders take over Great Mazinger who is at the entrance of a museum next to Mazinger Z as symbols of peace. Grendizer fights the evil invaders and Great Mazinger is recovered. When the Vegan empire dispatches a new general to oversee the takeover of Earth, he quickly manages to capture Koji Kabuto and, learning of Great Mazinger through interrogation, quickly commandeers it from a museum where it was kept as a symbol of peace. It is now up to Duke Fleed aboard Grendizer to stop humanity's former defender from becoming its destroyer.

Kouji and his friends have defeated Dr. Hell and are now enjoying a break, but suddenly a strange prophet appears and warns everyone of an oncoming danger, mechanical beasts never seen before start appearing all around the world wrecking havoc. Its up to Kouji and his Mazinger Z to stand up to this threat but it seems he is vastly outnumber and outmatched.

A giant sea monster known as Dragonsaurus has emerged from out of nowhere, terrorizing the depths of the oceans. Great Mazinger, Grendizer and the Getter Robo G team join forces to combat the new threat. But their task becomes more complicated when Dragonsaurus swallows up Boss Borot and makes its way towards Tokyo. Source: ANN

Princess Aurora, the only survivor of her planet destroyed by evil mutants, is resolved to put an end to the mutant menace in the galaxy along with three enhanced human cyborgs Jesse Dart, Porkos and Aramus, she travels space in the Cosmos Queen to the Dekkos System to fight the final battle.

Continuing where the previous story left, Mechazam proceeds to attack EX Zetton in a mad fury but almost perishes in the molten lava until Mebius saves him, despite being heavily injured by EX Zetton. Being thrown to the Battle Nizer, Mechazam tries to break the seal under Mebius' guidance to reverse the disruption field but the container was too strong...

The film centers around Ultraman Taro growing up, and wanting to join the Ultra Brothers in battle. His family, however, thinks he is too young. Taro eventually proves himself after saving the 5 Ultra Brothers from the evil Grand King, created by Juda.

A young boy learns he is part of a powerful race of psionic humans who must fight the normal humans determined to keep them from Earth.

Tomoya leisurely sketches the Ultra Monsters in his sketchbook but an unknown forces suddenly radiated the book. Misuzu, Kenta and Chigusa discover several Spark Dolls, which were thought to be sent into outer space but somehow returned to Earth. Hikaru soon arrives, and soon the group are transported into a virtual room by Tomoya's Gunpad. The room itself has several Spark Dolls in its collection. Tomoya introduces them to the Livepad, a tablet which allows its user to use UltLive simulations by simply scanning the Spark Doll via the tip of its pointer pen. The group begins experimenting with the new technology.

Duke Freed is an alien who has escaped to Earth after his home planet was invaded by the armies of Great King Yarban. Five years have passed and now Yarban's daughter, Princess Teronna, is on a mission to find both Duke and his spaceship Grendizer by invading our planet with their fleet of flying saucers. The pilot movie of Grendizer. It is about Duke Fleed, a fugitive of the planet fleed, who was kicked out of his planet by the Armies of Vega. Fleed and the daughter of the king of Vega we in love before the war between their planets. The armies of Vega continue their fight with Duke Fleed.

In the Land of Light, the Ultra Brothers receive the interrupted Ultra Sign sent by Hikari, which comes from the Monster Graveyard. Obtaining Zoffy's approval, Ace and Taro depart to investigate the matter while Mebius, on his routine patrol, is quickly notified by Zoffy to join the investigation.

This is the first film adaptation of the Ultraman Ginga TV series. It was released as a double-bill with Mega Monster Rush: Ultra Frontier - Dino-Tank Hunting. Chronologically it takes place between Episode 6 & 7 of the Ultraman Ginga TV show.