A Monster Baby Nobody Ordered
If you ever wondered what Alien would look like if it were shot in your uncle’s basement with the budget of a garage sale, Roger Corman has you covered. The Terror Within (1989) is proof that the words “science fiction horror” don’t always mean excitement—they can also mean 90 minutes of beige hallways, rubber monsters, and more discussions about abortion than you’d expect in a monster movie.
Thierry Notz directed this thing. He only made a handful of films, and watching this one, you understand why. It’s not so much directed as it is reluctantly pointed at the actors until they stop talking.
The Plot: “Alien,” But With More Sweat and Less Talent
The film is set in a post-apocalyptic future, which we know because people keep telling us it’s post-apocalyptic. Humanity has been mostly wiped out by chemical or biological weapons, leaving behind monsters called “gargoyles.” Now, to be clear, these gargoyles aren’t the cool winged statues from gothic cathedrals. They’re just rubber-suit mutants that look like melted Halloween costumes left too close to a radiator.
We follow a ragtag group of scientists holed up in the Mojave Lab, trying to survive. They get a radio transmission, find an injured girl named Karen, and bring her inside. She’s pregnant. With what? Oh, just the mutant spawn of a gargoyle that raped her. Because nothing says “holiday family film” like sexual assault and mutant childbirth.
The scientists then spend what feels like half the runtime debating whether to abort the fetus. They talk. And talk. And talk some more. By the end of the scene, you’re rooting for the monster baby just to put everyone out of their misery.
The Birth Scene: Peak Awkward Horror
Karen goes into labor and delivers a bouncing baby gargoyle, which promptly escapes. This should be terrifying, but the creature looks like something Roger Corman’s gardener built from leftover car parts. Instead of horror, you feel like you’re watching a high school play about reproductive health gone horribly wrong.
The monster tears through the bunker, killing scientists left and right. You’d think trained professionals could handle this, but no—these people make the crew from Prometheus look like MENSA candidates. They split up constantly, drop weapons, and run directly into dark hallways yelling, “Hello? Is anybody there?” Yes, someone’s there—it’s a rubber-suit gargoyle that’s about to eat your face.
The Performances: Stiff as a Cadaver
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Andrew Stevens (David): Our square-jawed hero, whose main skill is surviving long enough to be the last man standing. He acts like he’s already rehearsing for the sequel (The Terror Within II, which, God help us, he directed himself).
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Starr Andreeff (Sue): Her big moment is being kidnapped and raped by the gargoyle, then trying a DIY abortion that kills her. This is not so much a role as a punishment.
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Terri Treas (Linda): She’s supposed to be the smart one, which is damning with faint praise in this bunker of idiots.
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George Kennedy (Hal): Poor George Kennedy. From Cool Hand Luke to… this. He spends most of the movie looking sweaty, confused, and probably wondering if the check cleared.
The Monster: Latex and Lost Potential
The gargoyle is supposed to be scary, but it looks like a rejected Godzilla sidekick. Its movements are clunky, its design uninspired, and it spends most of the movie lumbering around dark corridors like it’s looking for the restroom.
It’s also absurdly horny. The entire reproductive cycle of these monsters involves raping women, which makes them less like terrifying predators and more like frat boys with claws. The movie leans into this idea so hard that it stops being horror and starts feeling like a lawsuit waiting to happen.
The Dog: The Only Competent Character
Butch the dog deserves top billing. He’s smarter than any of the humans, more sympathetic, and nearly gets killed saving their useless hides. When the gargoyle attacks him, I cared more about Butch’s survival than the entire human cast combined. If there’s ever a remake, just give Butch a machine gun and let him handle it.
The Science: Questionable at Best
The survivors eventually discover that gargoyles are vulnerable to high-pitched frequencies when David accidentally blows a dog whistle. Yes, the same monster that shrugs off bullets is undone by the same thing that annoys Chihuahuas. Our heroes then lure it into a ventilation system and chop it up with an industrial fan, ending the menace with all the drama of disposing of yard clippings.
The “science” is laughable. These people live in a research lab, yet not once do they attempt real experiments. No traps, no sedatives, no serious weaponry. Just a whistle and an exhaust fan. Somewhere, Isaac Asimov cried.
The Tone: Dreary and Gross
You might forgive the bad monster suit if the film had fun with itself, but The Terror Within takes everything deadly seriously. Every line of dialogue is delivered with the solemnity of Shakespeare, even though they’re usually just saying, “The fetus might be a gargoyle.”
Worse, the film wallows in rape and pregnancy horror without the intelligence or tact to handle it. It tries to be shocking, but it ends up feeling exploitative and uncomfortable. It’s as if Roger Corman decided, “Alien was about corporate exploitation—let’s make ours about mutant sex crimes!”
Production Values: Roger Corman Special
The bunker is clearly two hallways and a broom closet redressed a dozen times. Lighting is perpetually dim, not to create atmosphere but to hide how cheap everything looks. The music is generic keyboard sludge. The editing feels like it was done with a butter knife.
And yet, somehow, this still made nearly $860,000 at the box office. Proof that in 1989, people would buy a ticket for anything with “mutant” in the description.
The Ending: Sequel Bait
After blowing up the bunker, our survivors (and Butch, thankfully) wander into the wasteland with a dog whistle and a megaphone. It’s supposed to feel triumphant, but it looks like three people leaving a garage sale with nothing worth buying.
Then comes the kicker: The Terror Within II. Yes, someone thought this warranted a sequel. Andrew Stevens even directed it, proving that bad ideas reproduce faster than gargoyle babies.
Final Thoughts: The Real Terror Was the Screenplay
The Terror Within is a slog: ugly, mean-spirited, and terminally dull. It wants to be Alien but ends up as Plan 9 From Outer Space with prenatal horror. The monster isn’t scary, the characters aren’t likable, and the pacing is slower than molasses in a nuclear winter.
Roger Corman’s legacy is full of cheap, trashy gems, but this isn’t one of them. This is one you leave buried in the wasteland, preferably with the gargoyles.

