
An alien woman named Maya crash-lands on Earth. Her homeworld was destroyed by the Blasters, a cruel alien race who steals the natural resources from other planets. She falls in love with a scientist and gives birth to a human boy named Kentaro. When the Blasters invade the Earth, Kentaro must defeat them by fighting with Astroganger, a robot made from living metal.
WriterTatsuo Tamura

Let's Go, Ganger
Oct 4, 1972
When the shape-shifting alien Blasters invade Earth to steal its oxygen, humanity's only chance is Ganger, a robot of living metal merged with a half-human/half-alien boy.

The Living Robot
Oct 11, 1972
Kantaro learns more about the legacy his alien mother left him, while the Blasters plan on using a freeze ray to immobilize their new enemy, Ganger.

The Burning Island Plot
Oct 18, 1972
The Blasters cause a volcano to erupt so they can take over a populated island for their latest plot.

Rainbow of Terror
Oct 25, 1972
The Blasters use a giant moving rainbow that drains all nature of its vitality.

Search for Ganger's Plot
Nov 1, 1972
In an attempt to learn Ganger's secret, the Blasters send one of their own to Earth, in the form of Maya, Kantaro's mother.

Rusty Ganger
Nov 8, 1972
The Ganger's latest secret weapon has Ganger trapped and suddenly rusting out inside an underground cavern.

Space Bomber
Nov 15, 1972
While Ganger is on a deep space mission, the Blasters redirect a rocket with a nuclear warhead towards ISP Branch 4 on Earth.

Space Hounds
Nov 22, 1972
The Blasters send voracious, ball-like Space Hounds to Earth to devour Ganger.

Suspicious Granny
Nov 29, 1972
An old woman in sad circumstances has the trust of Rie and her family. Too bad she's a Blaster in disguise.

I'm Strong! Ganger
Dec 6, 1972
The Blasters brainwash Rie's young cousin and put him in a fake Ganger robot to battle the real thing.

Earth is Ours!
Dec 13, 1972
The Blasters toy with the idea of annihilating all life on Earth and then starting over, but will proceed only if a certain experiment is successful.

The Valley of Shooting Stars
Dec 20, 1972
While camping, Kantaro and Rie discover an experimental Blaster teleportation device that's guarded by a psychotic old man.

Showdown in the White Wilderness!!
Dec 27, 1972
A giant Blaster robot threatens to destroy major cities until Ganger shows up for a showdown, but Kantaro is in the hospital, unconscious with a high fever.

Showdown Under the Midnight Sun
Jan 3, 1973
Late at night, snowmen come to life and attack the town courtesy of Bad Snow, an alien villain in league with the Blasters.

Secret of the Aurora
Jan 10, 1973
A sunspot monster in the form of a fairy causes a mysterious aurora that drains the city of its power.

Blaster Declaration of War
Jan 17, 1973
The Blasters threaten Earth with a formal declaration of war and assured destruction from a powerful alien ally unless humans surrender and turn over Ganger.

The Horrible Spy Monster
Jan 24, 1973
The Blasters brainwash an employee of ISP (and friend of Kantaro) and use him to find Ganger's secret or blow up the buildings if he can't.

Chain Mail Whirlpool
Jan 31, 1973
When Kantaro gets a space disease, Ganger has to rush him to his mother's home planet for a cure, but the Blasters intercept them with a death trap.

Time Bomb Robot Monster
Feb 7, 1973
Rie escapes Blaster captivity, but can she warn Ganger in time that the giant robot he's battling will explode with an antimatter bomb in a matter of moments?

The Lensmer Avatar Plot
Feb 14, 1973
A robot steps out of a popular manga magazine every time the page is opened and abducts the child reader, including Rie and Kantaro.

The Robot Force Has Come!
Feb 21, 1973
Ganger investigates when children go missing inside a robot theater on the outskirts of town.

Space Ghost Ship
Feb 28, 1973
The Blasters and Ganger vie for possession of a space ghost ship with a secret weapon.

Duel on Kantaros
Mar 7, 1973
After a disastrous duel, Ganger and Kantaro are stranded on Kantaro's mother's dead home planet.

Aim For His Chest Pendant!
Mar 14, 1973
Kantaro feels the pain as Ganger is tortured millions of miles away.

The Devil's Eye
Mar 21, 1973
Blaster Devil employs mind control powers and Rie's abduction in an attempt to make Ganger surrender.

Space Panther
Mar 28, 1973
Must Ganger make the ultimate sacrifice to save Earth once and for all from the Blasters?