If you're a fan of the campy horror classic 'Attack of the Giant Leeches' (1959), you'll love these 10 similar movies and shows that deliver the same mix of B-movie charm, creature feature thrills, and nostalgic fun. Whether you crave more giant monsters, swampy terror, or vintage sci-fi, this list has something to satisfy your cravings for retro horror.

The Beast from 20,000 Fathoms (1953)
Description: A sci-fi horror film about a prehistoric dinosaur awakened by nuclear testing, symbolizing the dangers of tampering with nature and the unknown.
Fact: The film was based on a short story by Ray Bradbury, though the title was changed to match the movie's premise.


Them! (1954)
Description: A science fiction horror film about giant mutated ants attacking humans, showcasing the fear of nuclear radiation and its unintended consequences.
Fact: Them! was one of the first films to feature giant insects as the main antagonists, setting a precedent for many creature features that followed.


It Came from Beneath the Sea (1955)
Description: A sci-fi horror film about a giant octopus attacking ships and coastal cities, playing on fears of sea monsters and the mysteries of the deep ocean.
Fact: The film's special effects were created by Ray Harryhausen, a pioneer in stop-motion animation.


Tarantula (1955)
Description: A sci-fi horror film about a giant tarantula wreaking havoc in a desert town, playing on the fear of oversized, deadly creatures.
Fact: The film used a real tarantula for some scenes, combined with special effects to create the illusion of a giant spider.


The Black Scorpion (1957)
Description: A monster movie featuring giant scorpions emerging from underground to terrorize a rural community, capitalizing on the fear of unknown creatures from beneath the earth.
Fact: The stop-motion animation for the scorpions was done by Willis O'Brien, who also worked on King Kong (1933).


The Monster That Challenged the World (1957)
Description: A sci-fi horror film about giant mollusks emerging from the sea to attack humans, tapping into fears of deep-sea creatures and unknown threats from the ocean.
Fact: The film's special effects included detailed models of the creatures, which were considered impressive for the time.


The Blob (1958)
Description: A low-budget sci-fi horror film featuring a gelatinous alien creature that terrorizes a small town, embodying the classic 'creature feature' trope of the era.
Fact: The Blob was one of the first films to use a creature that grows larger as it consumes more victims, a concept that has been reused in many horror films since.


The Giant Gila Monster (1959)
Description: A low-budget horror film about a giant lizard attacking a small town, embodying the classic 'giant creature' trope popular in 1950s B-movies.
Fact: The film used a real Gila monster for close-up shots, while a model was used for the larger-scale destruction scenes.


The Killer Shrews (1959)
Description: A horror film about giant, venomous shrews attacking a group of people stranded on an island, playing on fears of mutated animals and isolation.
Fact: The shrews were portrayed by dogs dressed in costumes, which has since become a point of amusement for fans of the film.


The Wasp Woman (1959)
Description: A sci-fi horror film about a woman who transforms into a deadly wasp-like creature after using an experimental youth serum, exploring themes of scientific experimentation gone wrong.
Fact: The film was shot in just under two weeks, a common practice for low-budget films of the era.
