In the distant future, far from the time of the great war and defeat of the alien invaders, the original Getter Robo team is back and continuing the fight against evil. The world is in ashes, and the invaders are back and in full control. Using their powerful transforming Getter Robots, the team's mission is twofold: to vanquish the robotic army of invaders and to discover the mystery behind Shin Dragon, the artifact left behind by Dr. Saotome, the now dead inventor of the Getter Robot; or IS he?
In the near future, a small team of scientists have solved the world’s energy problems with the Shizuma Device. While the development of the device was hampered by a chilling disaster, the device is now viewed as the ideal power supply; it is clean, recyclable, and can be used to power every device imaginable. However, the terrorist group Big Fire has found a way to recreate the disaster that was triggered during the item’s development, in every Shizuma Device around the world. It is up to InterPol, a group of justice specialists with extraordinary powers, to stop this nefarious plan and save the world with the help of their trump card known as Giant Robo and the young Kusama Daisaku, the crux of the robot’s power.
The 1990's saw a bunch of old TV and manga series re-imagined. The "retro" trend began with Giant Robo in 1992 and, in my opinion, culminated with Getter Robo Armageddon in 1998. These OVAs will please fans who grew up with the original shows, but viewers not familiar with the source material need not worry. The series are more than enjoyable, even if you're missing on the nostalgia.
Both Getter Robo and Giant Robo share similarities which go further than their names alone. Both are of the mecha genre of course, but both series show a strong character development and a storyline that'll keep you guessing up 'til the end who the good guys are and who the bad guys.
Meet Akito, a mecha pilot with all the training... of a cook?! Along with airhead Yurika, mecha otaku Hikaru, child genius Ruri, sultry Megumi and more of their cast of misfits, they crew mankind's last hope against the dreaded Jovian Lizards -- the Mobile Battleship Nadesico! Financed by a private company, they not only have to deal with the threatening alien menace, but also Earth’s own military (in which Yurika’s father happens to be an admiral!), who are not pleased to see such a formidable warship outside of their authority...
Getter Robo Armageddon is a followup OVA of the original show that the crew of Nadesico watches, not the actual show. Don't expect the two shows to be the same. But if you liked Getter Robo Armageddon you might enjoy Nadesico poking fun at everything it stands for. And if you enjoyed Nadesico you might enjoy seeing one of the anime it chose as its primary source of jokes.
Unlike Nadesico, Getter Robo Armageddon does try and take itself "seriously". It's not a parody, but it is extremely over the top in violence and action.