A feature-length film produced by Tsuburaya Productions specifically for the English-language market. Composed of edited footage from several episodes, the storyline was rewritten for this adaptation with a new script and score.  Based on Episodes 47 through 50 and 19 through 21.

In an effort to find an economic means of purifying salt water, a joint U.S.-Japanese military command is set up on an isolated Japanese island where an unusual salt water lake is situated. However, their purifying experiments arouse the prehistoric monster Obaki from hibernation at the lake's bottom, and it proceeds to attack Japan. Although made by a U.S. independent film company, this film was based on a Japanese Toho monster film of 1958, "Daikaiju Varan", from which all of the monster effects scenes and a few incidental dramatic shots were edited into it.

In Japan, scientifically advanced invaders from the war-destroyed planet Mysteroid cause an entire village to vanish, then send a giant robot out to storm the city by night, after which they request a small patch of land on Earth and the right to marry earthling women, claiming to be pacifists.  Mankind must decide whether to capitulate or to resist.

When a narcotics deal goes sour and a suspect disappears, leaving only his clothes, Tokyo police question his wife and stake out the nightclub where she works.

A militant alien race launches an attack on Earth using gigantic creatures and geological disasters all based on those found on The Asylum's Movie Channel signal which reached their planet.

When the Earth's ecosystem is disrupted due to global warming, a plethora of prehistoric sea monsters wage war on Japan. Led by the powerful Raiga, the monsters ravage the city of Asakusa.

Before he was a protector, Kenshin was a fearsome assassin known as Battosai. But when he meets gentle Tomoe Yukishiro, a beautiful young woman who carries a huge burden in her heart, his life will change forever.

When an underhanded pharmaceutical company goes to a remote tropical island to steal King Kong for advertising purposes, they get more than they bargained for when the gigantic ape attacks an unsuspecting village and an enormous octopus.

A cynical samurai is left as the sole survivor to fulfill a plot to assassinate the puppet of a villain intent on usurping the shogunate in the 17th century.  A Shogunate Elder connives to rule Japan by making his puppet, the Shogun's brother Tsunashige, the next Shogun. The best strategist in Japan, Yamaga, leads a plot to stop the Elder, but his cabal is betrayed and most of the conspirators are captured and tortured.