When villagers begin disappearing it is discovered that they had fallen through a crack in the earth which goes straight to Hades. Hercules once again comes to the rescue and faces one of his most difficult challenges, and must prove himself as a man as well as a god. "Hercules in the Underworld" is the fourth made for TV movie in the series Hercules: The Legendary Journeys.
Unfortunately the movie Hercules in the Underworld is not yet available on HBO Max.
| Directing | Bill L. Norton | Director |
| Writing | Andrew Dettmann | Writer |
| Writing | Daniel Truly | Writer |
| Sound | Joseph LoDuca | Music |
| Production | Eric Gruendemann | Producer |
| Production | Sam Raimi | Executive Producer |
| Camera | James Bartle | Director of Photography |
| Editing | Steve Polivka | Editor |
