Movies Like Sharktopus

If you liked Sharktopus (2010), a tv movie and horror movie directed by Declan O'Brien, 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
Underwater (2020)
★ 6.3/10Also horror and science fiction
After an earthquake destroys their underwater station, six researchers must navigate two miles along the dangerous, unknown depths of the ocean floor to make it to safety in a race against time.
2
The Meg (2018)
★ 6.2/10Also science fiction and horror
A deep sea submersible pilot revisits his past fears in the Mariana Trench, and accidentally unleashes the seventy foot ancestor of the Great White Shark believed to be extinct.
3
Meg 2: The Trench (2023)
★ 6.3/10Also science fiction and horror
An exploratory dive into the deepest depths of the ocean of a daring research team spirals into chaos when a malevolent mining operation threatens their mission and forces them into a high-stakes battle for survival.
4
The Blob (1988)
★ 6.9/10Also horror and science fiction
In Arborville, California, three high school students try to protect their hometown from a gelatinous alien life form that engulfs everything it touches.
5
The Blob (1958)
★ 6.2/10Also horror and science fiction
A drive-in favorite, this sci-fi classic follows teenagers Steve and his best girl, Jane, as they try to protect their hometown from a gelatinous alien life form that engulfs everything it touches. The first to…
6
4 Horsemen: Apocalypse (2022)
★ 5.9/10Also science fiction and horror
A small team of scientists must race against time to stop what seems to be a cascade of global disasters signaling the possible apocalypse and end of days.
7
The Asphyx (1972)
★ 6/10Also horror and science fiction
Hugo is a brilliant turn-of-the-century scientist, loved and respected by his family and friends, admired by his colleagues. But he is a man quickly becoming obsessed with a curious and frightening question...What is…
8
Doctor Who (1996)
★ 6.2/10Also tv movie and science fiction
The Seventh Doctor becomes the Eighth. And on the streets of San Francisco – alongside new ally Grace Holloway - he battles the Master.
9
Global Meltdown (2017)
★ 5.8/10Also science fiction and tv movie
A helicopter pilot and an environmental scientist lead a exodus of survivors in a search for a safe haven after a catastrophic tectonic event causes the crust of the earth to break apart.
10
Island of Terror (1966)
★ 5.9/10Also horror and science fiction
When a small island community becomes overrun with creeping, blobbish, tentacled monsters that liquefy and digest the bones from living creatures, the community struggles to fight back.
11
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…
12
12:01 (1993)
★ 6.2/10Also science fiction and tv movie
Office employee Barry Thomas is caught in a "time bounce" caused by a glitch in the company's secret project. Now the same day occurs again and again - and Barry's the only one who can do anything about it, including…
13
The Haunting Hour: Don't Think About It (2007)
★ 6.9/10Also horror and tv movie
Cassie, a 13 year old Gothic girl, is trying to fit in at her new school. To entertain herself, she plays a series of pranks on the popular kids and her younger brother, Max. When she goes to a Halloween store looking…
14
Phase IV (1974)
★ 6.3/10Also horror and science fiction
Arizona ants mock the food chain on their way to a desert lab to get two scientists and a woman.
15
The Giant Behemoth (1959)
★ 5.8/10Also science fiction and horror
Marine atomic tests cause changes in the ocean's ecosystem resulting in dangerous blobs of radiation and the resurrection of a dormant dinosaur which threatens London.
16
Stargate: Continuum (2008)
★ 7.1/10Also science fiction and tv movie
Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.
17
Justice League Dark (2017)
★ 7.3/10Also science fiction and horror
When innocent civilians begin committing unthinkable crimes across Metropolis, Gotham City and beyond, Batman must call upon mystical counterparts to eradicate this demonic threat to the planet; enter Justice League…
18
Basilisk: The Serpent King (2006)
★ 6.2/10Also horror and tv movie
Two millennia ago, a Lybian king has a basilisk (snake-shaped dragon), which petrifies people, subjected to the same fate with a golden scepter during a solar eclipse. Both these and several victims are dug up by…
19
The Curse of Frankenstein (1957)
★ 6.8/10Also horror and science fiction
Baron Victor Frankenstein has discovered life's secret and unleashed a blood-curdling chain of events resulting from his creation: a cursed creature with a horrid face — and a tendency to kill.
20
The Astronaut (2025)
★ 6.1/10Also horror and science fiction
After returning from her first space mission, astronaut Sam Walker is placed under NASA’s care at a high security house for rehabilitation and medical testing. However, when disturbing occurrences begin happening…