January 9, 2026

The 1976 horror film Squirm, directed by Jeff Lieberman, serves up a spine-tingling tale of nature turning against humanity in a creepy, worm-infested nightmare. Set against the backdrop of a small Southern town, Squirm leans into environmental horror, exploring a “man vs. nature” theme with an inventive, if unsettling, focus on killer worms. Known for its practical effects and atmospheric tension, Squirm has achieved cult status for horror fans who appreciate its unique premise and practical, slimy effects.

Plot Summary

Squirm follows the story of Geri Sanders (Patricia Pearcy), a young woman in Fly Creek, Georgia, who awaits the arrival of her city-dwelling boyfriend, Mick (Don Scardino). After a violent thunderstorm disrupts the town’s power lines, millions of volts of electricity surge into the ground, stirring up the earthworms in the area. The electricity appears to have mutated the worms, making them aggressive and carnivorous.

As Mick and Geri explore the odd occurrences happening around town, they encounter a series of horrifying events, including residents disappearing under mysterious and grisly circumstances. The worms multiply and become more aggressive, attacking anyone they encounter. In a desperate bid to survive, Mick and Geri must outsmart the wriggling menace as the town descends into chaos.

Themes and Symbolism

1. Man vs. Nature
At its core, Squirm is a classic example of nature rebelling against human interference. The deadly worms act as an exaggerated response to environmental stress, symbolizing nature’s unpredictability and the potentially dire consequences of humankind’s reliance on technology.

2. Isolation and Community Breakdown
Fly Creek’s remote, insular nature adds a layer of isolation, amplifying the horror as the town’s community is forced to grapple with an unthinkable threat. As residents are picked off one by one, the breakdown of the small-town community unfolds, highlighting themes of survival and mistrust.

3. Fear of the Unknown and Paranoia
Lieberman taps into primal fears of what lies just below the surface and our limited control over nature. The worms are a stand-in for the unseen dangers lurking beneath seemingly benign landscapes, and as they rise to the surface, they create an atmosphere of paranoia.

Production and Effects

One of the defining characteristics of Squirm is its use of practical effects, which were achieved through a combination of real worms, puppetry, and makeup. Special effects artist Rick Baker, later known for his groundbreaking work in An American Werewolf in London, contributed to creating the worm-infested scenes. To achieve the terrifying visuals, Baker and the team used thousands of real worms, adding authenticity to the scenes, which became infamous for their grotesque intensity.

The film also used a mix of latex models and prosthetics to portray the worms burrowing under human skin, an effect that pushed the boundaries of 1970s horror effects. The film’s budget was modest, which forced the production to rely on ingenuity rather than expensive technology, resulting in scenes that feel tangible and visceral.

Reception and Legacy

Upon release, Squirm was met with mixed reviews. Some critics saw it as a schlocky addition to the creature feature genre, while others recognized its campy charm and effective scares. Over time, Squirm has become a cult favorite, particularly among fans of creature features and low-budget horror films of the 1970s. Its willingness to go to visceral extremes with its worm effects and atmospheric storytelling helped it stand out in a decade rife with innovative horror films.

The film was included in the popular cult television series Mystery Science Theater 3000, where it gained additional notoriety and brought it to the attention of a new generation of horror fans. Its low-budget charm, combined with some genuinely creepy moments, has cemented Squirm as a memorable entry in horror history.

Impact on Horror Cinema

Squirm fits within the 1970s tradition of ecological horror films, alongside movies like Frogs (1972) and Grizzly (1976). It helped pave the way for later nature-run-amok movies by demonstrating how effective horror can be when focused on small, unassuming creatures. By turning the ordinary earthworm into a source of terror, Squirm explored the potential horror lying beneath the soil and in natural environments.

The film also reinforced that horror could be both campy and chilling. Squirm successfully balanced grotesque visuals with a degree of self-aware humor that appealed to fans of both serious horror and horror comedies. Lieberman’s directorial style, marked by a blend of suspense and dark humor, would influence future filmmakers exploring similar themes.

Fun Facts and Trivia

  • Squirm was inspired by real-life events! Jeff Lieberman was reportedly inspired by stories he’d heard of worms surfacing en masse after electrical storms.
  • Over 250,000 worms were used in the film, with the production team constantly sourcing and replenishing supplies throughout shooting.
  • The film’s outdoor scenes were shot in Port Wentworth, Georgia, adding authenticity to the Southern Gothic atmosphere that permeates the film.
  • Squirm was one of the first films to receive an “R” rating due to its graphic effects, pushing the boundaries of creature feature gore for the time.

Conclusion: Squirm’s Place in Horror History

While not as widely known as other horror films of its era, Squirm remains a noteworthy entry in the creature-feature genre. Its commitment to practical effects, eerie atmosphere, and willingness to turn an everyday creature into a source of terror have earned it a special place among horror enthusiasts. For anyone looking to experience a unique, eerie take on nature-based horror, Squirm stands as an exemplary representation of the genre’s ability to make the mundane terrifying.

Whether you’re a fan of ecological horror, practical effects, or simply looking for a campy thrill, Squirm is a film that continues to wriggle its way into the nightmares of its audience.

To read the rest of my Monstrous Movie Reviews, just click HERE! If you would like to add this horror classic to your film library, just click on the blu-ray movie cover below.

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