Space Sentinels - Season 1 Episode 9 Voyage to the Inner World
Astrea is kidnapped with the intent to use her to power an underground civilization against her will. Hercules, Mercury, Sentinel One and MO use their spaceship to burrow their way to the city to rescue her.
- Genre: Sci-Fi & Fantasy, Animation
- Studio: NBC
- Keyword: greek mythology, superhero, hercules
- Cast: Evan C. Kim, George DiCenzo, Lou Scheimer