Expedition X · SEASON 11
God of the Underworld
Episode 5 · 2026-02-04

- Mystery
- Reality
Episode overview
Phil & Heather travel to Predjama Castle, once ruled by a brutal robber baron feared for his cruelty. Exploring the vast web of caves beneath the cliffside fortress, they seek clues that an ancient god of the underworld may be haunting the castle instead.
43 minutes
Season 11 episodes
1. Secrets of Vulture City2026-01-07
2. Atomic Ape Cat2026-01-14
3. Blackbeard's Ghost2026-01-21
4. Terror Below Deck2026-01-28
5. God of the Underworld2026-02-04
6. Terrors of Trinidad2026-02-11
7. Nightmare Island2026-02-18
8. Thunderbird2026-02-25
9. The Spanish Boogeyman2026-03-04
10. Ghosts of Gettysburg2026-03-11