Following a devastating attack by Vega's forces on planet Fleed, Duke Fleed, and Grendizer escaped to Earth. When he got there, Dr. Amon, the head of the Space Research Center, adopted him and gave him the name Daisuke. While they were working side by side in the center on a quest to find out what strange objects appeared in the city's sky! They were surprised by an attack that jolted Daisuke's memory.

New Devilman project marking Go Nagai's 50th anniversary as a creator. The protagonist Akira Fudou learns from his best friend, Ryou Asuka, that an ancient race of demons has returned to take back the world from humans. Ryou tells Akira that the only way to defeat the demons is to incorporate their supernatural powers, and suggests that he unite with a demon himself. Akira succeeds in transforming into Devilman, who possesses both the powers of a demon and the soul of a human. The battle of Devilman and Akira Fudou begins. (Source: Netflix)

Based on the gag manga by Hisashi Eguchi. 
Episode 1 is about the vulgar family trying to get their daughter married. Episode 2 is about the vulgar family and the hardships of married life. Episode 3 is about a boxer who can only loose weight by abstaining from sex. Episode 4 is about giant monsters. 
Note: Originally released as a feature part of Studio Pierrot's video magazine show Anime V Comic Rentaman (&#12450;&#12491;&#12513;&#12539;V&#12539;&#12467;&#12511;&#12483;&#12463; &#12524;&#12531;&#12479;&#12510;&#12531;) along with Abashiri Ikka, Yumemakura Baku Twilight Gekijou and Akai Hayate. 
(Source: AniDB)

The story revolves around a new team of "Toei robot girls" named "Team Z" that is made up of three girls based on Toei's Mazinger Z franchise: Mazinger Z, Great Mazinger, and UFO Robot Grendizer. Usually they perform in activities around Nerima ward in Tokyo to raise the awareness of the promising future energy source "Photon Power" (koushiryoku). However, there are times when "Mechanical Beast" team of girls emerge from the "Subterranean Empire" and attempt to steal the energy. Thus "Team Z" has to battle them to prevent this, though sometimes they just go and beat up the "bad girls" to relieve stress.

The Aphrodite A is in trouble. The Mazinger Z, Great Mazinger, Getter Robo G and many other Dynamic Robots must rescue her.

It's Tokyo in the 1970s, and evil youkai (goblins) are attacking the human world. The "Youkai Patrol" - Enma, Princess Yukiko, Kapaeru, and Grandpa Shappo - are sent from hell to exterminate them.
 
(Source: Anime News Network)

Prior to the events of the anime, three factions - the Garan Army, the Kiba Army, and the Aira Army, battle for total dominance of Machine Island. The island is basically a prison, isolated from the rest of the world. The island contains a vast amount of resources, allowing the three factions to create an infinite supply of giant robots for their respective armies. 
The world government learns that the island's power reactor has become unstable and will explode within 66 hours, destroying all of life and Earth itself. The government sends the Death Caprice squad, composed of mercenaries Ken Kaido and Ryo Magami to solve the issue, along with their giant robot Mazinkaiser, but was that a good idea?

When earthquakes shake up Japan, Professor Saotome is certain that it is the work of the Dinosaur Empire. Michiru goes out to investigate in the Command Module but is quickly shot down and injured; the culprit is none other than Megazaus! Team Getter Robo is eager to get revenge for Michiru, but first they have to brave the fractured roads and find a physician for her. Once Getter Robo is formed, they must track Megazaus underground and defeat him before he destroys the cities of Japan. 
(Source: Anime-Planet)

This is a regular episode of UFO Grendizer that was shown as a short movie in theaters.

Honey Kisaragi is a perfectly normal beautiful high school student. Until her scientist father is kidnapped by the evil organization Panther Claw, that is. But her father left behind a device she can use to transform into the red-haired sword-wielding heroine Cutey Honey.

In the middle of an all-out invasion by extra-dimensional aliens, rebel alien scientist Zeku gathers teenagers with various psychic powers, like Isamu. Once on board Zeku’s ship… and on board with his mission to defend the human race from extinction… Isamu and his fellow teens use mental energy to create enormous suits of armor with which to battle the Garadain Empire. Through the course of the series, the teammates fight each other, fall in love, and battle wherever necessary to protect Earth, whether that’s at home, in deep space, or even while trapped on the alien world itself. (Source: Crunchyroll)

Space princess Fandora and her sidekick Que are bounty hunters in an age where warp travel has become a reality, along with space criminals.  Fandora possesses the red, magic, "Jewel of Lupia" which she uses to fight with when conventional weapons are ineffective.  In pursuit of space criminal Red Eye Geran they encounter in the kingdom of Lemia a mysterious evil religious leader who has taken control from its legitimate rulers.  This individual possesses a blue jewel which will unify the dimensions of the universe and start an age of peace or terror if it is conjoined with the "Jewel of Lupia".  And so Fandora and he are fated to meet.

A manga comic book and anime television series by manga artist Go Nagai, made as a direct continuation of the successful Mazinger Z series. It was aired on Japan in 1974, immediately following the end of the first Mazinger series.

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 were in love before the war between their planets. The armies of Vega continue their fight with Duke Fleed.
 
(Source: Anime News Network)

Set in the near future, humanity enters another energy revolution following the discovery of Photon Power. Derived from the ore discovered under the foothills of Mt. Fuji, its intended use was to solve the world's energy problems with its unimaginable power. Seeking this energy is Dr. Hell, a madman craving world domination who with his subordinates Baron Ashura, Count Brocken and Viscount Pygman, commands an army of mechanical beasts excavated from the ruins of ancient Greece to seize the Photon Power Lab for himself. Meeting the attack head on is the hot-blooded teenager Kabuto Kouji, who pilots the Photon Powered robot built by his grandfather, Mazinger Z. But in this battle between Dr. Hell and the Kabuto family, many legends surrounding the Mycenaean Civilization and Bardos Island, as well as the secrets of Mazinger Z remain shrouded in mystery. 
A new series based on the mecha show that started it all, Mazinger Z. Shin Mazinger Shougeki! Z-Hen starts over from the beginning with a new cast, to tell a new story unrelated to the original show. 
(Source: shin-mazinger.com)

A new Getter robot is piloted by three youth as they combat the evil terrors that plague the world.

The story is set in modern times, but the twist to the story is that Mazinger is an ancient weapon of the gods, left on earth to battle the evil space gods who have returned to take over the universe. 

The Gaira aliens, hidden in the Arctic, plan to conquer Earth. Captured and forced to work for the aliens, Dr. Yan creates the ultimate weapon, a transformable aerial robot called Gloizer X. Entrusted to his daughter Rita, Gloizer X escapes the clutches of the Gaira and lands in Japan, where pilot Jo Kaisaka meets a wounded Rita. Taking up the controls of Gloizer X, Jo and Rita fight against the Gaira invasion.

When the Shinogara's finest warrior murders their leader, who's also his father, his ninja enemies land a fatal blow. With only minutes left, Hayate transfers his soul into his sister's body...but how long can two souls occupy the same body?

Takes place after the final defeat of the Dinosaur Empire and the death of Musashi Tomoe in the original Getter Robo series. 
Dr. Saotome, creator of Getter Robo, fears that the peace the Getter Robo team has won will be short lived and that an even greater enemies would appear. Dr. Saotome's fears are justified when the militaristic Hyakki (or "Hundred demons") Empire appears, but Dr. Saotome is prepared with the creation of an even more powerful Getter Robo, Getter Robo G and a new Getter Robo base. Also with Musashi Tomoe dead, Dr. Saotome needs a third pilot which he finds in baseball player Benkei Kuruma. 
(Source: Wikipedia)

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. 
This film served as an alternative link between the Mazinger Z TV series and the Great Mazinger TV series. It basically introduces Great Mazinger to the audience, as well as his enemies from the Mikene Empire.

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.
 
(Source: Anime News Network)

From the far end of the universe, the terrifying space monster Gilgilgan attacks the Earth. The Science Fortress Laboratory and the Saotome Institute both fight against this threat. Distracted by their rivalry, Getter Robo and Great Mazinger are forced to retreat from Gilgilgan's sharp fangs, but once they agree to work together they begin their combined attack!

Hiroshi Shiba is an outstanding car racer whose father is assassinated upon the discovery of the Bronze Bell from an ancient civilization. This Bronze Bell is coveted by Queen Himika who comes from that ancient era; the Yamatai Kingdom, and whose ambitions are to seize the Bell and dominate earth. 
Hiroshi is left with a few items from his father which would enable him to morph into a full sized mecha warrior, the Steel Jeeg. With these abilities and the help of his father's brain implanted in a computer and his assistance Miwa "Micchi" Uzuki, they set out to neutralize Himika's plans of world dominion.

Dynamic Planning