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    The Great Sinking! Twilight of the Japanese Archipelago

Action & Adventure
25 
Dec 31, 1973
Frequent attacks by the twin monsters bring about catastrophic damage to the city. In order to defeat the monster and stop Alien Magma's plans, it is necessary to learn a new technique.

Full Episodes

Season 1, 51 episodes

Season 1
   
The Day When Ultraseven Dies, Is the Day When Tokyo Sinks!,
Ultraseven takes on Alien Magma and twin monsters by himself. The new hero Ultraman Leo is introduced here. He is determined to protect his second home, Earth.
25m Dec 31, 1973
   
The Great Sinking! Twilight of the Japanese Archipelago.,
Frequent attacks by the twin monsters bring about catastrophic damage to the city. In order to defeat the monster and stop Alien Magma's plans, it is necessary to learn a new technique.
25m Dec 31, 1973
   
Farewell, Tears...,
Alien Tsuruk wreaks havoc night after night in order to challenge Ultraman Leo. Among the victims is the father of Toru and Kaoru who are students at the sports club where Gen works.
25m Dec 31, 1973
   
An Oath Between Men,
Alien Tsuruk temporarily retreats due to Dan's attack and Leo escapes death. Gen is ordered by Dan to start the special training of parting waterfall water.
25m Dec 31, 1973
   
Don't Cry! You're a Man,
Gen tries to look after Toru and Kaoru but news of a monster appearance causes him to go into work and they cannot even enjoy their picnic.
25m Dec 31, 1973
   
You’re a Man! Get Fired Up!,
Shirato, who was assigned to outer space work, has come back to Earth to spend time with his fiancé Yoko. However, Yoko is killed by Alien Karly while Gen is protecting her.
25m Dec 31, 1973
   
A Beautiful Man’s Will,
Gen realizes that a flower picked by Kaoru is a flower from outer space. However, considering Kaoru's feelings, Gen hesitates to throw the flower away. This flower changes into the materials for the monster Kendoros's special weapon.
25m Dec 31, 1973
   
Deadly! The Monster Mastermind!,
Monster Vekira appears in a downtown area. Gen's selfish actions start to disrupt the harmony of his MAC companions. Gen is suspended from work and ordered by Dan to visit the Buddhist priest Jukkan who lives in Hakunan.
25m Dec 31, 1973
   
The Bridge of Friendship Across Space,
Star Bem Giro gets mixed up in a Kaiju show at an amusement park and becomes friends with Toru. Gen realizes Giro is a real Kaiju and chases after him. Giro then transforms into his giant form and disappears with Toru. What is Giro's plan?
25m Dec 31, 1973
   
The Monster That Wanders in Sorrow,
A Kaiju comes to Earth riding a meteor and MAC springs into action, but Gen knows that this monster is his pet Ron from his home on Planet L77. Ron has become violent due to living a nomadic life.
25m Dec 31, 1973
   
A Man Covered in Mud,
Alien Kettle, who one-sidedly hates Earthlings, starts going on a serial killing spree. Boxer Matsumoto who is cooperating in the pursuit of the alien becomes a victim of this killing spree. Gen vows to Matsumoto's nephew Ichiro to take down the alien.
25m Dec 31, 1973
   
The Adventure Boy Arrives!,
The new MAC member Saburo Sato breaks the mold in every way. He uses his experience in Africa to face the Monster Bango that appeared from underground with a dance from the Saima Tribe.
25m Dec 31, 1973
   
Explosion! Two Desperate Aliens,
Alien Vibe who can become invisible frames Gen for murder, causing him to be suspended. In order to prove Gen's innocence, Dan vows to take down the alien himself.
25m Dec 31, 1973
   
Deadly Fists! The Boy Who Calls Forth a Storm,
Monster Antales appears and Leo takes it on, but Antales retreats after injuring Leo's left shoulder. Afterwards, Antales disguises itself as a boy come to challenge the dojo in order to go after Gen.
25m Dec 31, 1973
   
Blind Attack! The Blow With Fighting Spirit,
Gen sees Momoko on a date with a young man named Tsuyama. Dan orders Gen to train under Tsuyama who defeated Cloning Alien Flip. Gen is hesitant to ask Tsuyama to train him.
25m Dec 31, 1973
   
The Woman Who Faded Into the Night,
There are rumors of a ghost howling in the night at a greenhouse. The identity of this ghost is Alien Atler who changes its form like wax.
25m Dec 31, 1973
   
Behold! Ultra Horror Series: The Werewolf’s Bride,
Gen's friend Takeshi has a fiancé named Saeko. However, she becomes possessed by Werewolf Alien Wolf. Gen thinks that Saeko is responsible for recurrent murders, and he is strongly vilified by Takeshi.
25m Dec 31, 1973
   
Behold! Ultra Horror Series - Vampire! Bat Girl,
A large amount of bats from outer space cover the sky, causing an abnormal phenomenon. The bats are defeated by MAC, but one surviving bat turns into a little girl and is discovered by Momoko. Momoko trusts the girl and protects her.
25m Dec 31, 1973
   
Behold! Ultra Horror Series - The Revived Merman,
Gen and Momoko go on a trip to Hokkaido on vacation. They visit the Ogari River area where there is a legend about those who take a life during Obon being cursed by a sea monster. During this time, a fisherman carrying out illegal fishing is killed.
25m Dec 31, 1973
   
Behold! Ultra Horror Series - The Mysterious Boy From Ursa Minor,
A mysterious object comes flying in from the Little Dipper constellation. Dan and Gen hurry to Teine in Hokkaido and encounter a boy, Bock, from the Little Dipper.
25m Dec 31, 1973
   
Behold! Ultra Horror Series - I Saw a Goddess in the Far North!,
A mysterious beautiful woman whose life was saved by MAC member Kitayama is the Goddess Nike who brings happiness to mankind. However, the Alien Northsatan destroys her spaceship, preventing her from returning to her home on Planet ?.
25m Dec 31, 1973
   
The Leo Brothers vs. The Monster Brothers,
Garon shows up in the city. Gen rushes to the scene and remembers his own younger brother Astra when he sees some brothers being rescued. Gen transforms into Leo and fights Garon. Garon's younger brother monster, Liter, shows up.
25m Dec 31, 1973
   
The Mischievous Alien Who Fell Out of His Bed,
The very mischievous Alien Coro crashes in a vacant lot. Alien Coro becomes good friends with the little MAC kids and calls his bodyguard and pet Monster Renbolar.
25m Dec 31, 1973
   
The Beautiful Virgo MaidenUltraman Leo - EP 24 - The Beautiful Virgo Maiden - Digital,
A spacecraft crash lands and the Alien Sarin, Dodole and Carolyn, escape. They ran away to Earth from their home planet due to a robot rebellion.
25m Dec 31, 1973
   
The Rhinoceros Beetle Is an Alien Invader!,
Jiro has mysterious dreams every night of garbage falling from the sky. Alien Clean appears before Jiro and invites him to their beautiful home planet. At the same time, Space Insect Satan Beetle comes to Earth from Planet Clean.
25m Dec 31, 1973
   
Japanese Folklore Series! Ultraman King vs the Wizard (From Little One-Inch),
Alien Pressure, who has the power to summon space magicians, has come to Earth. Leo takes him on and is shrunk to a small size. The legendary Giant Ultraman King, saves Leo in his time of crisis.
25m Dec 31, 1973
   
Japanese Folklore Series! Mighty! Momotaro! (From Momotaro),
Onion, who likes fruit, is kicked out of Planet Apple and runs away to Earth. Momotaro finds out that his grandparent's fruit shop has incurred damage due to Onion. He goes with a chicken instead of the pheasant and fights Onion.
25m Dec 31, 1973
   
Japanese Folklore Series! Return of the Captain Mustache! (From Urashimataro),
The captain of a fishing boat saves an Alien Paradai boy who was about to be killed by fish people. That night, Alien Paradai invites the captain for dinner and drinks.
25m Dec 31, 1973
   
Japanese Folklore Series! Fated Reunion! Dan and Anne (From the Fox Kid),
A mysterious young boy named Uriy who has the ability to cause chaos using extrasensory perception appears. Dan and Gen chase him and meet a woman who looks exactly like Anne.
25m Dec 31, 1973
   
Japanese Folklore Series! Monster’s Return of a Favor (From Crane’s Return of a Favor),
Rolan who is called the most beautiful monster in the universe turned down Alien Magma's marriage proposal, so her life is being threatened. Shinji Okuma and his son Kenji come upon the injured Rolan and remove a spear from her.
25m Dec 31, 1973
   
Japanese Folklore Series! The White Flower That Protects the Earth (From Made Withered Trees to Blossom),
An old man going by the name of Hanasaka Jiisan can grow flowers which make you fall asleep. The identity of the old man is Alien Virmin who plans to put children to sleep in order to prevent them from growing so that he can take over Earth.
25m Dec 31, 1973
   
Japanese Folklore Series! Farewell, Princess Kaguya (From the Tale of the Bamboo Cutter),
Yayoi has been having strange dreams recently. She is the Moon Goddess, and she can hear the voice of a messenger who comes during a full moon. This is because Moonlight Monster Kirara is communicating with her deep consciousness.
25m Dec 31, 1973
   
The Leo Brothers vs. The Space Demon Alien,
A strange meteor is coming towards Earth and Dan and Gen chase after it, but they lose it in the skies above an apartment building. After that day, mysterious blue hands appear frequently at the apartment building.
25m Dec 31, 1973
   
The Ultra Brothers’ Eternal Vow,
Ultraman, who has returned to his home, is coming to Earth to give a Monster Ball to Dan (Ultraseven). Ultraman is attacked by Monster Ashuran on his way and suffers serious injuries.
25m Dec 31, 1973
   
I'm the Monster Boss,
A young boy known as Monster Boy, Miyasaka, picks up a mysterious pot which has fallen from the sky. Inside the pot is Monster Taisho. The two are experiencing the same circumstances so they become friends.
25m Dec 31, 1973
   
Fly! The Leo Brothers, Save the Space Base!,
Uchida, who went missing on a mission to Planet Atlanta three years ago has come back home. However, his true identity is Alien Atlanta.
25m Dec 31, 1973
   
Haunted! Devil in the Mirror,
Kaoru sees the image of her mother in a mysterious woman. Led by this women, Kaoru is brought into a world of mirrors. The identity of the woman is Demon Woman Alien Mazaras.
25m Dec 31, 1973
   
Showdown! The Leo Brothers vs. The Ultra Brothers,
The Tower on Planet Ultra has been destroyed by someone and the Ultra Key has been stolen. Planet Ultra goes off its orbit, starts on a collision course for earth.
25m Dec 31, 1973
   
The Leo Brothers, the Ultra Brothers, the Moment of Victory,
Leo, trying to help Astra, is attacked by the Ultra Brothers and is defeated. Astra threatens the Ultra Brothers with the Ultra Key, but lightning comes down from the sky, destroying the key. Ultraman King appears before them.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! Mac Annihilated! The Flying Saucer Is Alive!,
There is a party at the MAC Station to celebrate Matsumoto's birthday. The invading Saucer Creature Silverbloome attacks the Station and all members except for Gen lose their lives while Dan goes missing. In the midst of grief, Leo takes on the organism!
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Saucer Creature From the Demon Planet Has Come!,
A flying saucer that was discovered by a boy named Oba, a saucer expert, is the new Saucer Creature Black Doom who was called by Commander Black.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! Leo’s in Danger! The Assassin Is a Saucer Creature,
Hideyuki is a kind boy who takes care of injured animals. He also brings the miniaturized form of Saucer Creature Absorva to a cabin. However, Absorva transforms into its giant form and destroys the city as if trampling on Hideyuki's heart.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! Challenge! Terror of the Blood Sucking Saucer - Digital,
A mysterious series of murders has been occurring around the Miyama household where Gen is living. This is the work of Saucer Creature Demos. Commander Black warns Gen that if he doesn't surrender, there will be even more harm done.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Shooting Star from Hell! - Digital,
Toru remembers his deceased father after getting in a fight with his classmate Kenji. As he sits alone on a swing in a park at night, Black Gallon comes flying down in the form of a meteor in front of Toru.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Ghost Girl,
The Saucer Creature Counterattack Committee is established. As the researchers carry out an investigation, they begin to die mysterious deaths one by one.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series - The Leo Brothers Fight! The End of the Saucer Creature!,
Traffic accidents occurs frequently in the middle of the night. This is the work of Saucer Creature Hungler. Hungler opens his gigantic mouth like a tunnel and swallows one car after another.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Girl Who Collects the Stardust of Demons,
Mariko is collecting telling-like shells to cheer up her mother, who has undergone surgery. However, those shells are Terrina Q spread by Saucer Creature Black Terrina. A hospital surgeon being controlled by Terrina Q attacks Gen!
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Monstrous Bird Saucer Attacks the Japanese Archipelago!,
Gen meets his friend Hiroshi again at Hiroshi's photography exhibition after cutting off contact due to a fight. Hiroshi's former girlfriend Atsuko also comes with her child.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! The Red Assassin That Brings Death!,
Toru who doesn't have any blood relatives really hates parents' observation day at school.
25m Dec 31, 1973
   
The Terrifying Saucer Creature Series! Leo’s Life! The King’s Miracle!,
Leo is captured due to the dastardly scheme of Alien Bunyo and taken apart while frozen. Bunyo transforms into its giant form and starts to destroy the city. Ultraman King comes to the rescue and zaps Leo with a beam which causes a miracle!
25m Dec 31, 1973
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