On a mission to Mars, two astronauts witness a battle between Ultraman and the monster Gudis. During the battle one of the astronauts is killed and Gudis escapes to carry on it's mission of exterminating life on Earth. Ultraman bonds and revives the astronaut and heads to earth to put a stop to Gudis..
The UMA tries to contain a dormant prehistoric creature that was surreptitiously unfrozen and let loose on the world, destroying everything within its reach.
A dinosaur fossil found at a construction site is brought to life by Goudis, who directs it to destroy the city by possessing Jimmy's body.
The Goudis tampers with the spirit world to create a destructive whirlwind bent on destroying everything in its path.
The UMA team battles a toxic-gas spewing monster, and Jack battles the UMA team when he voices his doubts concerning a new recruit.
Jack races against time to prevent a UMA general from deploying nuclear weapons to stop the Goudis.
Plans to attack a dense forest where a dangerous monster lurks are postponed when a young girl is reported missing in the area.
While investigating a plane crash, the team encounters the giant locust Majama, which feeds on toxic waste.
A scientist's experiments go to seed after a plant that may combat pollution becomes entangled with the lab's computer.
Charles romances a woman he meets at a fast food stand unaware that she's an alien who has assumed a human form.
While studying an alien spacecraft being held by the UMA, Jean is kidnapped by a criminal mastermind.
A mysterious artifact provides the only clue to defeating a sea monster and deadly algae that threaten the coast.
Earth faces destruction when two alien creatures join forces to attack the planet and the only defense against them is stolen.