Episode 1 - The Invisible Challenger

Aliens from the planet Kuuru have kidnapped a number of humans for experimental purposes leading to an impending invasion of the planet Earth. The Terrestial Defense Force is sent to investigate and meets a mysterious wanderer named Dan Moroboshi who helps destroy the invading alien forces. No one knows his true identity, but Moroboshi transforms into Ultraseven, a silver and red dressed superhero from another galaxy committed to protecting the Earth from monsters and alien threats.

Episode 2 - The Green Terror

A strange metallic rock lands outside the home of Agent Ishuguro, one of the Ultra Garrison members.

Episode 3 - The Secret of the Lake

An unidentified object has landed somewhere near the Kiso Mountains. Dan and Furuhashi are sent to find any wreckage, or signs of life. They find a young girl swimming in Lake Azuma as well as a spaceship nearby.

Episode 4 - Respond, Max

Three members of the Ultra Garrison are sent to a secret meeting with Commander Takenaka aboard the Max, one of the elite vessels in the Ultra Guard. This secret mission is to learn of the origin of several oceanic disappearances.

Episode 5 - The Erased Time

A supersonic jet leaves the Ultra Guard Science Center in Antarctica with renowned scientist, Dr. Yushima. aboard. Heading for Japan to the Ultra Garrison command center, the jet inexplicably freezes in the air; momentarily caught in some bizarre beam.

Episode 6 - Dark Zone

Upon returning from investigating a mysterious light source, Dan is called to agent Anne Yuri's quarters after a strange shadow like figure appears there.

Episode 7 - Alien Prisoner 303

Aboard Space Station V3, agent Mizuno receives multiple transmissions from an alien source, but has been unable to decipher them. Meanwhile, two hunters find a small, single passenger alien spacecraft in the woods and are attacked by the fish-eyed, gas drinking alien traveling inside.

Episode 8 - The Targeted Town

In the town of Kitagawa, a string of perplexingly fatal accidents have claimed the lives of hundreds of people.

Episode 9 - Android Zero Directive

Furuhashi and Moroboshi are on patrol one evening. They stop for a woman who asks to speak with Dan. Furuhashi pretends to be Dan and the mysterious woman ends up severely shocking Furuhashi.

Episode 10 - The Suspicious Neighbor

Akira, a young boy with a broken leg, spies peculiar goings on at his neighbors house. He tries to tell his mother, but she doesn't believe him. With recurring strange phenomena, the Ultra Guard get involved.

Episode 11 - Fly to the Mountain of Evil

The Ultra Guard seek answers into the deaths of over two dozen people at Mt. Iwami. While there, Dan is apparently killed by an assassin using an unusual rifle.

Episode 12 - From a Planet With Love

A number of young ladies have fallen ill and all seem to be wearing peculiar looking metallic watches.

Episode 13 - The Man Who Came From V3

Captain Kurata, aboard the V3 space station, reports that they are under attack from an enemy ship. Kurata manages to escape during the skirmish, although the chase leads Alien Iyros to Earth.

Episode 14 - The Ultra Garrison Goes West, Part 1

An Anglo assassin has been snuffing out various foreigners in Japan. It's learned that all the victims were secretly part of the Washington Terrestial Defense Force Scientific Team.

Episode 15 - The Ultra Garrison Goes West, Part 2

After the Pedan's robot monster King Joe retreats, Captain Kiriyama plans to ready the Ultra Guard forces for their next attack.

Episode 16 - The Eye That Shines in the Darkness

After going missing for three months while en route to study the planet Annon, Cherry Blossom 9 suddenly reappears and initiates contact with the Terrestrial Defense Force. Landing near Mt. Hades, Moroboshi, Anne and Amagi are sent to investigate.

Episode 17 - Underground Go! Go! Go!

A cave-in traps Jiro, a miner, 3,000 feet below the Earth's surface. The Ultra Guard is asked to help in learning of the cause of the disruption inside the cave.

Episode 18 - Escape Space X

On a skydiving exercise, Amagi and Soga disappear, landing in a fog enshrouded forest in what seems like some alternate dimension.

Episode 19 - Project Blue

Dr. Miyabe is working on Project Blue, a plan to develop a defense barrier around the Earth to protect from alien threats.

Episode 20 - Destroy Earthquake Epicenter X

The Ultra Guard have reports of earthquakes in the area, but there's something strange about them. Meanwhile, two female racers on their way to a rally find an unusual rock just as another tremor shakes the ground near Aosawa Mountains.

Episode 21 - Pursue the Sea Bottom Base

A cargo ship has gone missing at sea and the Ultra Guard are sent to investigate this newest disappearance.

Episode 22 - The Human Farm

During a birthday party for a young woman named Ruriko, a alien known as Braco walks out of the ocean, kills her dog and makes off with the girl. Anne, who is attending the party, alerts her comrades.

Episode 23 - Search for Tomorrow

Captain Kiriyama and Furuhashi find a terrified old man named Yasui being chased by a mysterious driver of a chain-draped dump truck. Later revealed to be a fortune teller, Yasui divulges some information about an impending warehouse explosion where all the Ultra Guard weapons are kept.

Episode 24 - Return to the North!

An Ultra Squad patrol craft mysteriously crashes into a commercial plane in mid-air.

Episode 25 - Showdown at 140 Degrees Below Zero

A monumentally deadly snowstorm engulfs the Earth. The Ultra Garrison headquarters is frozen after a mysterious monster drills underground and breaches the walls of the base.

Episode 26 - Super Weapon R-1

Two Ultra Guard scientists, Doctors Segawa and Maeno create a new devastating weapon -- the anti-planet device they christen the R-1.

Episode 27 - Operation Cyborg

Episode 28 - The 700 Kilometer Run!

Episode 29 - The Forsaken Earthman

Episode 30 - For Whom Takes the Glory

Episode 31 - The Devil Who Dwells in a Flower

Episode 32 - The Wandering Planet

Episode 33 - The Dead Invaders

Episode 34 - The Vanishing City

Episode 35 - Horror on the Moon

Episode 36 - The 0.1 Second Kill

Episode 37 - The Stolen Ultra Eye

Episode 38 - The Courageous Battle

Episode 39 - The Seven Assassination Plan Part 1

Episode 40 - The Seven Assassination Plan Part 2

Episode 41 - The Challenge from the Water

Episode 42 - Ambassador of the Nonmalt

Episode 43 - Nightmare on Planet 4

Episode 44 - The Terrifying Super-Simian

Episode 45 - The Boy Who Cried Flying Saucer

Episode 46 - The Duel: Dan vs. Seven

Episode 47 - Who are You?

Episode 48 - The Greatest Invasion in History Part 1

Episode 49 - The Greatest Invasion in History Part 2