Dr. Azuma creates robots to benefit mankind, but they unexpectedly rebel and begin to destroy everything in their paths. To deal with the catastrophe, Dr. Azuma's son volunteers to become a human robot, even though he knows he will never be able to return to human form again. He confronts this grave situation to ensure a bright future for all humans.
Casshan (Season 1)

An Immortal Challenger (Episode 1) 5.0
Writer: Tatsuo Yoshida
Air date: 1973-10-02
Runtime: 25 min
Overview: In Dr. Azuma's laboratory, an android rebels against his builder's orders and decides to invade Earth

Stake Victory on the Moonlight (Episode 2) 4.5
Air date: 1973-10-09
Runtime: 25 min
Overview: The young super android draws energy from the sun but will have to fight in the moonlight this time.

Find Tomorrow in the Ruins (Episode 3) 3.0
Air date: 1973-10-16
Runtime: 25 min
Overview: During a fight against robots, Kyashan saves Luna, Tetsuja's childhood friend.

Channel Anger into the MF Gun (Episode 4) 2.0
Air date: 1973-10-23
Runtime: 25 min
Overview: Luna's father, a great friend of Dr. Azuma, created a magnetic field gun.

Don’t Blow Out the Flame of Battle (Episode 5) 4.0
Air date: 1973-10-30
Runtime: 25 min
Overview: kyashan must help the rebels to defeat the robots.

Raging Wind Friender (Episode 6) 4.0
Air date: 1973-11-06
Runtime: 25 min
Overview: The mechanical swan Swanee is likely to be discovered by going to report the plans of the evil commander.

An Oath to the Hero Kikero (Episode 7) 3.0
Air date: 1973-11-13
Runtime: 25 min
Overview: Kyashan has to defend a country from robots, but nobody trusts him.

The Roar of the Wild Beast Robot (Episode 8) 5.0
Air date: 1973-11-20
Runtime: 25 min
Overview: The robot invented by Yoko's father should be more powerful than Flender.

Concerto in the Flames of War (Episode 9) 4.0
Air date: 1973-11-27
Runtime: 25 min
Overview: Kyashan attends a concert and to stop Brikin's advance he uses all his energy.

Stake Life in the Desert of Death (Episode 10) 3.0
Air date: 1973-12-04
Runtime: 25 min
Overview: A magnetic storm puts an oil plant in the desert in danger.

Statue of the Demon (Episode 11) 4.0
Air date: 1973-12-11
Runtime: 25 min
Overview: The evil Briking ordered to have a statue built with his features.

The Iron Train of Evil (Episode 12)
Air date: 1973-12-18
Runtime: 25 min
Overview: Briking has decided to move the fortress to the underground city which can be reached only by train.

Android 5, the Robot of Betrayal (Episode 13)
Air date: 1973-12-25
Runtime: 25 min
Overview: Android #5 joined Kyashan to fight robot evil.

The Town That Doesn’t Need Casshan (Episode 14)
Air date: 1974-01-08
Runtime: 25 min
Overview: The mayor of the city wants to surrender to Bricking.

Puppy Runs for Vengeance (Episode 15)
Air date: 1974-01-15
Runtime: 25 min
Overview: Dr. Dynar has been working on Tnb dynamite for years, which has devastating power.

Swanee’s Wings of Love (Episode 16)
Air date: 1974-01-22
Runtime: 25 min
Overview: Bordeau is a natural fortress that would allow Briking to be unbeatable.

The Robot Lullaby (Episode 17)
Air date: 1974-01-29
Runtime: 25 min
Overview: 00A is a robot spy that must insert the electronic brains into the machines of the plant and take over the city but something goes wrong.

Giant Elephant Vs. Andro Force (Episode 18)
Air date: 1974-02-05
Runtime: 25 min
Overview: The city of Waight is besieged by robots, due to its strategic position.

The Clown Robot of Terror (Episode 19)
Air date: 1974-02-12
Runtime: 25 min
Overview: A special robot wants to destroy other cities and this time it is even more dangerous because children like it.

Casshan Gets the Death Penalty (Episode 20)
Air date: 1974-02-19
Runtime: 25 min
Overview: The state of Yuden is in danger, where Kyashan's only ally is the small Kit.

Robot Hijack (Episode 21)
Air date: 1974-02-26
Runtime: 25 min
Overview: The robots threaten in an airplane full of passengers to force Luna to reveal the truth about Kyashan's hiding place.

Runaway Robot, Romeo (Episode 22)
Air date: 1974-03-05
Runtime: 25 min
Overview: A metalliferous hill above a quiet city is the next target for robots.

Great Escape from the Robot Factory (Episode 23)
Air date: 1974-03-12
Runtime: 25 min
Overview: Billy tries to escape the robot factory.

Bounder Robot’s Challenge (Episode 24)
Air date: 1974-03-19
Runtime: 25 min
Overview: Kyashan faces a new robot made of a special rubber.

Immortal Casshan (Episode 25)
Air date: 1974-03-26
Runtime: 25 min
Overview: After using the destructive beam, Kyashan lost his memory.

Casshan's Secrets (Episode 26)
Air date: 1974-04-02
Runtime: 25 min
Overview: Briking discovers that Kyashan is not human.

The Missing MF Gun (Episode 27)
Air date: 1974-04-09
Runtime: 25 min
Overview: Luna, wounded in battle, is taken to safety by a girl who hates robots.

The Calvary of Anger (Episode 28)
Air date: 1974-04-16
Runtime: 25 min
Overview: The Karlman tribe lives on the belief that loneliness brings peace, but now they are threatened by robots.

High-Heat Robot Neotaros (Episode 29)
Air date: 1974-04-23
Runtime: 25 min
Overview: kyashan faces a robot made of fire.

The Premiere Robot Terminators (Episode 30)
Air date: 1974-04-30
Runtime: 25 min
Overview: Kyashan meets a man who has become famous for hunting and destroying 31 robots.

The City That Creates Newly-Made Men (Episode 31)
Air date: 1974-05-07
Runtime: 25 min
Overview: Engineer Miseru conducts experiments on the transformation of men into androids.

The Electric Punch of Tears (Episode 32)
Air date: 1974-05-14
Runtime: 25 min
Overview: A gigantic robot, with which Kyashan played when he was a child, has now been transformed into a weapon of war.

Swanee in Danger (Episode 33)
Air date: 1974-06-11
Runtime: 25 min
Overview: The swan robotic Swanee, in which Dr. Auzma's wife is hidden, has been captured.

Casshan Vs. Robot Ace (Episode 34)
Air date: 1974-06-18
Runtime: 25 min
Overview: Azuma tells his wife that he invented a way to destroy Briking.

The Greatest Showdown on Earth (Episode 35)
Air date: 1974-06-25
Runtime: 25 min
Overview: Dr. Azuma's strategy is to take advantage of Halley's comet passage.
