5 Sci-Fi Horror Movies Like Alien: Romulus to Stream Tonight

The best sci-fi horror movies like Alien: Romulus are Event Horizon (1997), The Thing (1982), Life (2017), Underwater (2020), and Sunshine (2007). Each delivers claustrophobic dread, isolated crews, and creature-feature terror, and most rotate across major US streaming services.

Fede Álvarez’s 2024 hit brought the Xenomorph back to its roots. If you’re still chasing that fear, these five films will scratch the itch. Streaming catalogs change constantly, so we’ll point you to where each one usually lives and how to confirm it in seconds.

What Makes a Great Movie Like Alien: Romulus?

Alien: Romulus worked because it combined a few ingredients. Remove any one, and the dread falls apart. The best matches share most of these traits.

The Core Ingredients of Alien-Style Horror

• Isolation: No help is coming, and no one can hear you scream.
• Industrial design: Grimy corridors, flickering lights, and machinery that feels lived-in.
• A deadly unknown: A threat the crew doesn’t understand until it’s too late.
• Practical effects: Tangible creatures and gore that feel real on screen.
• Working-class heroes: Ordinary people in over their heads, not elite soldiers.

Why Alien: Romulus Hit So Hard

Álvarez leaned into the original’s slow-burn tension. He cast young, desperate colonists played by Cailee Spaeny and David Jonsson rather than seasoned space marines. That vulnerability is what makes the horror land.

The movie also borrowed heavily from Ridley Scott’s 1979 original. Its Weyland-Yutani setting and body-horror set pieces reward fans who know the lore. The films below carry that same DNA.

What Are the Best Sci-Fi Horror Movies Like Alien: Romulus?

Here is the quick-reference list before we dig into each pick. Every title is a standalone watch, so you can start with any of them tonight.

The Top 5 at a Glance

1. Event Horizon (1997), directed by Paul W.S. Anderson
2. The Thing (1982), directed by John Carpenter
3. Life (2017), directed by Daniel Espinosa
4. Underwater (2020), directed by William Eubank
5. Sunshine (2007), directed by Danny Boyle

1. Event Horizon: Is It the Closest Spiritual Cousin to Alien?

Event Horizon is the haunted-house-in-space movie that sci-fi horror fans keep rediscovering. A rescue crew investigates a long-lost starship that vanished after testing an experimental gravity drive. What they find is far worse than a derelict hull.

Paul W.S. Anderson’s film stars Laurence Fishburne as Captain Miller and Sam Neill as Dr. William Weir, the ship’s haunted designer. Neill’s unraveling performance is the movie’s secret weapon.

Why Fans of Romulus Will Love It

• The ship itself is the monster, much like the Nostromo’s cold, indifferent interior.
• The body horror and visions are brutal and unforgettable.
• The tight, 96-minute runtime keeps the tension high from start to finish.

Where to Stream Event Horizon

Because it’s a Paramount Pictures release, it frequently appears on Paramount+. It also pops up on free ad-supported services and is available to rent digitally. Check a tracker like JustWatch for tonight’s availability.

2. The Thing: Why Does John Carpenter’s Classic Still Terrify?

If Alien perfected the stalking monster, The Thing perfected paranoia. A shape-shifting alien infiltrates an Antarctic research station. Nobody knows who is human anymore.

John Carpenter’s 1982 masterpiece stars Kurt Russell as helicopter pilot R.J. MacReady. Rob Bottin’s practical creature effects remain among the most disturbing ever put on film. They still look incredible decades later.

Why It Matches the Romulus Vibe

• Both films trap small groups with an unstoppable organism.
• Both rely on grotesque, hands-on effects rather than polished CGI.
• Both punish characters for trusting the wrong person at the wrong time.

Where to Stream The Thing

As a Universal Pictures title, it often lands on Peacock. It also cycles through other subscription and free services. Digital rental is almost always an option.

3. Life: Is It the Most Underrated Alien-Style Thriller?

Life doesn’t get nearly enough credit. Director Daniel Espinosa sends six astronauts aboard the International Space Station to study a Martian organism. It starts adorable and ends terrifying.

The cast includes Jake Gyllenhaal, Rebecca Ferguson, and Ryan Reynolds. The creature, nicknamed Calvin, evolves from a tiny cell into a deadly, intelligent predator. Its escalation feels scarily plausible.

What Works About It

• The opening single-take sequence is a technical showpiece.
• The creature’s design is unique and unsettling.
• The ending delivers a gut punch that fans still debate.

Where to Stream Life

Sony Pictures releases often land on Netflix or Starz after their theatrical window. They also appear on other platforms from time to time. Search the title to see what’s live tonight.

4. Underwater: Can Kristen Stewart Survive the Deep?

Think of Underwater as Alien at the bottom of the ocean. A research crew’s deep-sea drilling station is crippled by a catastrophic accident. Then they realize they aren’t alone.

William Eubank directs Kristen Stewart as mechanical engineer Norah Price. She gives one of her strongest action-horror performances. The supporting cast includes Vincent Cassel, Jessica Henwick, and T.J. Miller.

Why It Deserves a Second Look

• The setting delivers genuine claustrophobia.
• Stewart’s Ripley-like resilience anchors the story.
• The final act pays off with a creature reveal that rewards patience.

Where to Stream Underwater

It’s a 20th Century Studios film, the same studio behind Alien: Romulus. That makes Hulu and Disney+ the most likely homes. Rental options are widely available either way.

5. Sunshine: Is It the Smartest Sci-Fi Horror Choice?

Sunshine takes a more cerebral route. Danny Boyle sends a crew on a desperate mission to reignite the dying sun. Then the psychological pressure and a mysterious presence begin to break them.

The cast features Cillian Murphy, Chris Evans, Rose Byrne, and Michelle Yeoh. Alex Garland’s script blends hard science with creeping dread. It’s gorgeous, haunting, and deeply tense.

What Makes It Special

• Stunning visuals sell the scale of the mission.
• The third act shifts into full horror mode.
• Its ethical dilemmas linger long after the credits.

Where to Stream Sunshine

Availability has shifted across subscription services over the years. It is generally easy to rent or buy digitally. Check your preferred platform’s search bar before settling in.

How Do You Find Where These Movies Are Streaming Tonight?

Licensing deals change monthly. A movie on Peacock today might move to another service next week. A quick check saves you from an empty queue.

Fast Ways to Check Availability

• JustWatch: Lists every US streaming and rental option by title.
• Your streaming app’s search bar: Confirms what’s included in your plan.
• Digital storefronts: Apple TV, Amazon Prime Video, and Fandango at Home all offer rentals.
• Free ad-supported services: Tubi, Pluto TV, and similar platforms sometimes carry horror classics.

What Should You Watch First?

Your best pick depends on your mood. Each film hits a slightly different nerve. Here’s a simple cheat sheet.

Match the Movie to Your Mood

• Want haunted-ship dread? Start with Event Horizon.
• Want paranoia and practical gore? Press play on The Thing.
• Want a modern creature feature? Go with Life.
• Want claustrophobic action? Choose Underwater.
• Want something smart and haunting? Pick Sunshine.

Should You Rewatch the Alien Franchise First?

If you haven’t revisited the originals lately, Ridley Scott’s Alien (1979) and James Cameron’s Aliens (1986) are the gold standard. They also deepen your appreciation of Romulus. Both are Disney-owned titles, so they typically land on Hulu or Disney+.

Final Thoughts: Which Alien: Romulus Follow-Up Is Right for You?

Alien: Romulus proved that audiences are hungry for lean, scary, practical sci-fi horror. These five films prove the genre has plenty of life beyond the Xenomorph. Pick one, turn off the lights, and don’t look behind you.

If you loved this breakdown, check out our other What to Watch lists next. Browse our guides to the best space horror movies, the scariest creature features, and the top sci-fi thrillers streaming right now. Your next late-night obsession is waiting.