0x1 - The Great War of the Flying Saucers

July 26, 1975

Theatrical feature. Considered the pilot/prototype for the UFO Robot Grendizer TV series. Duke Freed is an alien who has escaped to Earth after his home planet was invaded by the armies of Great King Yarban. Five years have passed and now Yarban's daughter, Princess Teronna, is on a mission to find both Duke and his spaceship Grendizer by invading our planet with their fleet of flying saucers.

0x3 - UFO Robot Grendizer vs. Great Mazinger

March 20, 1976

Theatrical feature. When the Vegan empire dispatches a new general to oversee the takeover of Earth, he quickly manages to capture Koji Kabuto and, learning of Great Mazinger through interrogation, quickly comandeers it from a museum where it was kept as a symbol of peace. It is now up to Duke Fleed and Grendizer to stop humanity's former defender from becoming its destroyer.

0x4 - UFO Robot Grendizer - Red Sunset Showdown

December 19, 1976

Theatrical feature. Widescreen version of episode 49 released in japanese theaters alongside other Toei productions.

0x5 - Episode 5

July 18, 1976

0x6 - Episode 6

January 1, 1979

0x8 - Episode 8

January 10, 1978

0x9 - Episode 9

January 10, 1978

0x10 - Episode 10

January 6, 1987