Sci-Fi Movies That Made Audiences Sick

It's one thing for a film to stay with you long after the credits roll, but for it to evoke a physical reaction before you've even finished watching it is something else entirely. Over the years, filmmakers have been trying their hardest to amaze, dazzle, entertain, and provoke, and some have done such a good job at the latter that viewers have needed a sickness bag close by when watching their work.

Sci-fi is one of the best genres for making you puke into your popcorn. With its excessive blood, splatter, goo, and gunk, it doesn't take much for this far-out corner of moviemaking to push audiences over the edge, and that's not even taking into consideration any psychological damage really explicit movies can — and often do — inflict. Seriously, when it comes to putting audiences on edge, science fiction is where it's at.

The genre is so good at physically upsetting audiences that it's even made headlines over the years whenever it pushed things just a little too far. Here's a handful of some of the worst offenders.

With technology advancing at such a rapid rate, filmmakers can often be found scrabbling around in its wake trying to figure out which elements could make for a more immersive and enjoyable movie experience. One recent feature to take advantage of the largely untapped space between movies and virtual reality gameplay was the 2015 shoot-em-up "Hardcore Henry."

The feature debut of "Nobody" director Ilya Naishuller, the movie stars Sharlto Copley as a mute man who awakes with no memory and is forced to go up against an evil telekinetic villain to save his wife. Despite starring the hero of "District 9," we don't see or hear Copley. Instead, all we see is what he sees — similar to a first-person shooter video game like "Halo" or N64 hit "GoldenEye" — as he battles his way to ultimate victory.

While undeniably ahead of its time, putting audiences in the head and eye sockets of the movie's high-spirited hero proved to be a little too much for some. Shot entirely on GoPro cameras for that immersive first-person feel, the technique left viewers reaching for the sick bucket, as detailed in a Vox article dedicated to this queasy topic. "I was sweating through my T-shirt and experiencing a mild wave of nausea;" explains writer Alex Abad-Santos. "There was an uneasy feeling in the space below my chest. I soon came to a realization: I was not hardcore enough for 'Hardcore Henry.'"

You could likely write this whole article about "The Fly," David Cronenberg's gene-splicing body horror that saw Jeff Goldblum's Seth Brundle accidentally transform himself into a bug. Between scenes of Brundle peeling off his fingernails or descriptively illustrating how his new insect body digests food, Cronenberg's visceral 1986 film contains any number of scenes that'll make someone with a sensitive stomach feel a bit iffy.

That said, there was one scene, in particular, that was too much even for this out-there piece of '80s cinema. It involved an almost-fully-transformed Brundle trying to find out if he can clean his fly-infested genes by using his three telepods. To do this, he sends a laboratory baboon and a house cat from separate pods into a third pod whilst keeping their DNA separate. Needless to say, it doesn't work.

When the smoke clears, Brundle is met with a pink and mangled baboon-cat hybrid that squeals in distress as it attacks its disfigured creator. The upsetting scene ends with Brundle beating the creature to death with a pipe to put it out of its misery. All in all, it was a bit much — even for Cronenberg. Fall out from this deleted sequence was discussed by producer Stuart Cornfield in the making-of documentary "Fear The Flesh: The Making of The Fly." "When we screened it, aside from it being a little too intense ... this one woman had thrown up. She made it to the bathroom and everything ... but she had thrown up."

There's  a lot to take in during James Cameron's game-changing epic "Avatar." Released over a decade ago, this blue-hued sci-fi movie sent us to Pandora, a planet filled with tribal Na'vi clans, well-meaning scientists, and ruthless army officials determined to take advantage of this brave new world. As if that wasn't enough, Cameron's feature boasts groundbreaking photo-realistic motion-capture technology and revamped digital 3D filmmaking, a technique that changed the way movies were screened, if only for a short while.

While Cameron is no doubt hoping the film's long-awaited sequel "Avatar: The Way of Water" and its three follow-ups cause an equally large splash, it'll be hard to top the impact of his 2009 original. However, for one viewer in Taiwan, the experience was so immersive that it cost him his life.

According to a 2011 report from the Huffington Post, a 42-year-old man got so overstimulated while watching "Avatar" in the cinema that he had to be rushed to the hospital. Upon arrival, the man reportedly fell unconscious and died 11 days later. It was ultimately discovered that he had a history of high blood pressure, with scans showing that he may have experienced a brain hemorrhage. A doctor later explained, "It's likely that the over-excitement from watching the movie triggered his symptoms."

If you think the hand-held camerawork of found footage movies is disorientating, Alfonso Cuarón's nailbiting space survival flick "Gravity" takes things to woozy new levels of discombobulation. Screen icon Sandra Bullock stars as Dr. Ryan Stone, a medical engineer and mission specialist, who somehow encounters every problem imaginable during her first trip to the inky expanse above our heads.

As things steadily go from bad to worse, Stone is sent floating, spinning, and careening through the void, as Cuarón's dedication to authenticity leaves viewers with little sense of what's up or down. When viewed on a big enough screen (we're looking at you, IMAX), "Gravity" does absolutely nothing for all those who struggle with motion sickness.

"My head is spinning and my stomach is lurching," wrote Guardian contributor Nikki Marshall in a 2013 blog chronicling the impact that all the twirling and dizzying visuals had on her. "Uh oh. I feel your pain, sister," she added, commenting on Stone's seemingly never-ending space chaos. "We're two minutes in, and I'm starting to feel a bit iffy myself." She continues to detail her unease, explaining, "The problem comes in movies like these when what my eyes are seeing and the movement my inner-ear balance system is sensing don't match up. DOES NOT COMPUTE, some pesky part of my brain starts shrieking and suddenly I'm sick to the core."

There are few moments in cinema history as visceral and unexpectedly shocking as the chestbuster scene in Ridley Scott's 1979 classic "Alien." As the crew of the hulking space cruiser Nostromo gathers for a well-deserved meal after one of their team, John Hurt's dangerously-inquisitive executive officer Kane, awakens from a brush with an alien facehugger, everything appears calm. Then all of a sudden, it's not.

Jaw clenched tight, Kane squirms and spins in agony as his stunned crewmates look on in wide-eyed horror and confusion. A grisly crunch and a flash of red are followed by a rapid burst of life as the ship's newest occupant, a small, Xenomorph stowaway, rips its way out of Kane's chest and scurries into the shadows.

While the scene undeniably had an impact on an entire generation of movie fans, unlike other features included on this list, the act of capturing this sequence had a detrimental effect on one of its cast members, too. "Veronica Cartwright — when the blood hit her, she passed out," explained executive producer Ron Shusett in a 2017 Independent article chronicling the making of the now-infamous scene. He continues, explaining that the star who played Lambert wasn't the only person on set who found filming the moment too much to deal with. "I heard from Yaphet Kotto's (who played Parker) wife that after that scene, he went to his room and wouldn't talk to anybody."