The Hell's Gate (1989)

Release Date: 1989-12-14
Runtime: 1h 30min
Production Company: Alpha Cinematografica
Production Country: Italy
Director: Umberto Lenzi
Writer: Olga Pehar

As part of a science experiment, a man has spent a record-breaking length of time alone down a hole, but an hour before he's due to re-emerge, something goes wrong and his colleagues have to go in to rescue him.