
In the not-too-distant future, the Earth finds itself constantly under attack from extraterrestrial threats. The Terrestrial Defense Force establishes the Ultra Garrison, a team of six elite members who utilize high-tech vehicles and weaponry. Joining their fight is the mysterious Dan Moroboshi, secretly an alien from the Land of Light in Nebula M-78, who transforms into his true form in times of crisis, Ultraseven.

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.

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

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.

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.

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.

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.

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.

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

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.

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.
Available on: TBS