The Internet Archive serves as a vital repository for James Cameron’s 1989 film

Lena was their lead geophysicist—a woman who had spent more cumulative hours in saturation chambers than any living American. She trusted physics. She trusted math. She did not trust the way her teeth started aching two hours after Seaview II began its descent.

The Abyss follows a search-and-recovery team working with Navy SEALs to find a sunken nuclear submarine. Deep in the Cayman Trough, they encounter a mysterious, non-human intelligence. The film is legendary for its punishing production: