Altered States (1980)

A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.

The Resonator, a powerful machine that can control the sixth sense, has killed its creator and sent his associate into an insane asylum. When a psychiatrist becomes determined to continue the experiment, she unwittingly opens the door to a hostile parallel universe.

Two brothers return to the cult they fled from years ago to discover that the group's beliefs may be more sane than they once thought.

Charles Dexter Ward, a wealthy scientist, uses an ancient diary and human remains to begin a terrifying and bloody pursuit for immortality.

While staying at an isolated island resort, James and Em are enjoying a perfect vacation of pristine beaches, exceptional staff, and soaking up the sun. But guided by the seductive and mysterious Gabi, they venture outside the resort grounds and find themselves in a culture filled with violence, hedonism, and untold horror. A tragic accident leaves them facing a zero tolerance policy for crime: either you'll be executed, or, if you’re rich enough to afford it, you can watch yourself die instead.

Cocky researcher Sebastian Caine is working on a project to make living creatures invisible. Determined to achieve the ultimate breakthrough, Caine pushes his team to move to the next phase — using himself as the subject. The test is a success, but when the process can't be reversed and Caine seems doomed to future without flesh, he starts to turn increasingly dangerous.

After the death of his father, a brilliant college student returns to his family home where he learns that the horrors from his childhood aren't as dead and gone as he once thought.

When average, law-abiding citizens suddenly turn to a life of hedonistic behavior and violent crime, Detective Tom Beck is tasked with helping young FBI agent Lloyd Gallagher determine the cause.

An undercover cop in a not-too-distant future becomes involved with a dangerous new drug and begins to lose his own identity as a result.

The life of an unsuccessful writer is transformed by a top-secret 'smart drug' that allows him to use 100% of his brain and become a perfect version of himself. His enhanced abilities soon attract shadowy forces that threaten his new life.