1. Mothra (モスラ)
Shipwreck survivors found on the presumably uninhabited Infant Island leads to a scientific expedition that discovers a surviving native population along with the Shobijin, tiny twin fairy priestesses of the island's mythical deity called Mothra. After the fairies are kidnapped by an exploitative businessman named Clark Nelson, Mothra sets out to rescue them.
It has an average vote of 7.086 on TMDB.
2. The Mysterians (地球防衛軍)
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.
It has an average vote of 6.407 on TMDB.
3. Young Swordsman (秘剣)
This Japanese action-adventure is set in the 17th century when all forms of swordplay were banned. One fighter, an excellent swordsman believes the law is unfair. His brother keeps his opinions about the law to himself. The swordsman vents his frustration by cutting off the thumbs of an enemy. The fighter is then banished. To live, he becomes a thief. To restore the family's lost honor, the other brother is forced to challenge the fighter to a duel.
It has an average vote of 6.5 on TMDB.
4. The Black Sleep
In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...
It has an average vote of 6.1 on TMDB.
5. Farewell Rabaul (さらばラバウル)
A squadron of Japanese fighter pilots realise that they are never going to win the war when they understand that Japanese military tactics have little regard for life. Seeking the companionship of any woman who will have them, they spend their days indulging in every fantasy in order to escape the overwhelming fear of death looming just over the horizon.
It has an average vote of 9 on TMDB.
6. Bugsy and Mugsy
Bugs Bunny finds that gangsters Rocky and Mugsy have chosen his new abode, a condemned building, as their hideout. Bugs manipulates them into attacking each other to prove that crime doesn't pay.
It has an average vote of 6.5 on TMDB.
7. The Deadly Mantis
A giant prehistoric praying mantis, recently freed from the Arctic ice, voraciously preys on American military at the DEW Line and works its way south.
It has an average vote of 4.851 on TMDB.
8. X the Unknown
Army radiation experiments awaken a subterranean monster from a fissure that feeds on energy and proceeds to terrorise a remote Scottish village. An American research scientist at a nearby nuclear plant joins with a British investigator to discover why the victims were radioactively burned and why, shortly thereafter, a series of radiation-related incidents are occurring in an ever-growing straight line away from the fissure.
It has an average vote of 6.141 on TMDB.
9. Varan (大怪獣バラン)
When a rare species of butterfly is found in a mysterious valley in Japan, a pair of entomologists go to investigate and find more. They discover Varan, a giant monster, who decides to leave the valley and head straight for Tokyo.
It has an average vote of 6 on TMDB.
10. Space Amoeba (ゲゾラ・ガニメ・カメーバ 決戦!南海の大怪獣)
When a space probe crash-lands on a far-flung Pacific atoll, the craft's alien stowaways decide to take over their new world one creature at a time. Soon, the parasitic life forms latch onto three indigenous critters -- a squid, a crab and a snapping turtle -- and transform them into colossal mutant monsters.
It has an average vote of 6.476 on TMDB.
11. Godzilla vs. Hedorah (ゴジラ対ヘドラ)
An ever evolving alien life-form arrives on a comet from the Dark Gaseous Nebula and proceeds to consume pollution. Spewing mists of sulfuric acid and corrosive sludge, neither humanity nor Godzilla may be able to defeat this toxic menace.
It has an average vote of 6.743 on TMDB.
12. Matango (マタンゴ)
Five vacationers and two crewmen become stranded on a tropical island near the equator. The island has little edible food for them to use as they try to live in a fungus covered hulk while repairing Kessei's yacht. Eventually they struggle over the food rations which were left behind by the former crew. Soon they discover something unfriendly there...
It has an average vote of 6.816 on TMDB.
13. El Sur (El sur)
A woman recalls her childhood growing up in the North of Spain, focusing on her relationship with her father.
It has an average vote of 7.7 on TMDB.
14. Gamera, the Giant Monster (大怪獣ガメラ)
A nuclear explosion in the far north unleashes Gamera, the legendary flying turtle, from his sleep under the ice. In his search for energy, Gamera wreaks havoc over the entire world, and it's up to the scientists, assisted by a young boy with a strange sympathic link to the monster, to put a stop to Gamera's rampage.
It has an average vote of 6 on TMDB.
15. The War of the Gargantuas (フランケンシュタインの怪獣 サンダ対ガイラ)
Gaira, a humanoid sea beast spawned from the discarded cells of Frankenstein's monster, attacks the shores of Tokyo. While the Japanese military prepares to take action, Gaira's Gargantua brother, Sanda, descends from the mountains to defend his kin. A battle between good and evil ensues, leaving brothers divided and a city in ruins.
It has an average vote of 6.494 on TMDB.
16. Desperate Hours
An escaped con, on the run from the law, moves into a married couple's house and takes over their lives.
It has an average vote of 5.5 on TMDB.
17. Invasion of Astro-Monster (怪獣大戦争)
Astronauts Glenn and Fuji investigate Planet X and encounter mysterious aliens known as the Xiliens, who ask Earth's people to help save their world from "Monster Zero". In exchange for borrowing Godzilla and Rodan, the Xiliens offer a cure for cancer. As Glenn investigates, he develops a romance with Miss Namikawa and uncovers the Xilien's true intentions.
It has an average vote of 6.775 on TMDB.
18. 100 Feet
After Marnie Watson kills her abusive husband in self-defense, she is condemned to house arrest... only to discover that the house is possessed by the enraged and violent spirit of her dead husband.
It has an average vote of 5.7 on TMDB.
19. Godzilla vs. Mothra (ゴジラvsモスラ)
Mothra's dark counterpart, Battra, emerges to eliminate humanity on behalf of the Earth. Two tiny fairies called the Cosmos offer their help by calling Mothra to battle the creature. Unfortunately a meteorite has awoken a hibernating Godzilla as a three way battle for the Earth begins.
It has an average vote of 6.8 on TMDB.
20. Touch of Evil
When a car bomb explodes on the American side of the U.S./Mexico border, Mexican drug enforcement agent Miguel Vargas begins his investigation, along with American police captain Hank Quinlan. When Vargas begins to suspect that Quinlan and his shady partner, Menzies, are planting evidence to frame an innocent man, his investigations into their possible corruption quickly put himself and his new bride, Susie, in jeopardy.
It has an average vote of 7.773 on TMDB.
