Movies Like Attack of the Octopus People

If you liked Attack of the Octopus People (2010), a horror and science fiction movie directed by Joshua Kennedy, here are 20 movies with a similar feel, based on TMDB's recommendations. Each one links to its cast, trailer and where it's streaming.

1
Babylon 5: The River of Souls (1998)
★ 6.4/10Also science fiction
A group of Soul Hunters come to Babylon 5 demanding the return of something that was stolen from them.
2
Escape from the Planet of the Apes (1971)
★ 6.4/10Also science fiction
The world is shocked by the appearance of three talking chimpanzees, who arrived mysteriously in a spacecraft. Intrigued by their intelligence, humans use them for research - until the apes attempt to escape.
3
The Earth Dies Screaming (1964)
★ 6.2/10Also horror and science fiction
A crack test pilot lands to find the planet has been devastated by unknown forces. There are a few survivors, so he organizes them in a plan to ward off control by a group of killer robots.
4
Time Toys (2016)
★ 5.9/10Also science fiction
A group of middle school kids stumble upon a chest full of incredible toys from the future. The discovery takes them on an adventure using their newfound toys to save their neighborhood and ultimately the world from a…
5
Babylon 5: A Call to Arms (1999)
★ 6.9/10Also science fiction
Allies of the Shadows seek revenge against humanity. This movie sets up the series, "Crusade," the sequel to "Babylon 5."
6
Race with the Devil (1975)
★ 6.4/10Also horror
Two couples vacationing together in an R.V. from Texas to Colorado are terrorized after they witness a murder during a Satanic ritual.
7
Arctic Apocalypse (2019)
★ 6.1/10Also science fiction
A massive influx of glacial melting triggers a new ice age in the Northern Hemisphere, forcing a family to make their way across the ice-covered landscape before they are frozen out for good.
8
The Shed (2019)
★ 6/10Also horror
The story of Stan, an orphaned teenager stuck living with his abusive grandfather and tasked with routinely protecting his best friend from high school bullies. When Stan discovers a murderous creature has taken refuge…
9
Space/Time (2025)
★ 5.8/10Also science fiction
After a fatal test shuts down their project, a disgraced team of scientists enters the criminal underworld to rebuild a forbidden space-bending engine that could rescue humanity or annihilate it entirely.
10
F.R.E.D.I. (2018)
★ 5.9/10Also science fiction
An intelligent, lovable robot known as "F.R.E.D.I." is stolen from a secret research facility by the project's lead scientist. The robot is found by a 15 year old teenager, James. Soon the two begin to communicate and…
11
Z (2019)
★ 6.5/10Also horror
A family find themselves terrorized by their eight-year-old son's imaginary friend.
12
Circle (2015)
★ 6/10Also horror and science fiction
In a massive, mysterious chamber, fifty strangers awaken to find themselves trapped with no memory of how they got there. Organized in an inward-facing circle and unable to move, they quickly learn that every two…
13
Babylon 5: The Lost Tales - Voices in the Dark (2007)
★ 6.5/10Also science fiction
This instalment of Babylon 5 is in two parts: the first is about an entity that has possessed a worker. Colonel Lochley prevents a priest from performing an exorcism. The host is returned to Earth. The second has Galen…
14
Babylon 5: The Gathering (1993)
★ 6.5/10Also science fiction
The feature-length pilot for this Emmy award-winning show. Babylon 5 is the latest in a series of space stations built by humans. The Vorlon ambassador, Kosh, has been poisoned. It is the new commanding officer…
15
Invasion of the Body Snatchers (1956)
★ 7.5/10Also science fiction and horror
A small-town doctor learns that the population of his community is being replaced by emotionless alien duplicates.
16
The Arrival (1996)
★ 6/10Also science fiction
Zane Ziminski is an astrophysicist who receives a message that seems to have extraterrestrial origins. Eerily soon after his discovery, Zane is fired. He then embarks on a search to determine the origins of the…
17
The Invisible Man (1933)
★ 7.5/10Also horror and science fiction
After experimenting on himself and becoming invisible, scientist Jack Griffin, now aggressive due to the drug's effects, seeks a way to reverse the experiment at any cost.
18
The Time Shifters (1999)
★ 5.8/10Also science fiction
Tom Merrick gets caught up in a time-traveling conspiracy and must set the timeline right before it is irrevocably altered.
19
Marshmallow (2025)
★ 6/10Also horror and science fiction
At a secluded summer camp, timid and introverted 12-year-old Morgan is thrust into a waking nightmare when a once-fabled campfire tale becomes real. As a mysterious figure descends upon the camp, Morgan and his…
20
Frankenstein Meets the Wolf Man (1943)
★ 6.2/10Also horror and science fiction
After being resurrected by grave robbers, Larry Talbot searches for Dr. Frankenstein in the hopes of being cured of his lycanthropy. The mad scientist may turn out to be dead, but his monster is just waiting to be found…