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Appearances
Underground Marvels
Main cast, played by Jamie Effros
- Episode 1x01: Secrets of the Rock (Oct 17, 2019)
- Episode 1x02: Mystery of the Lost Labyrinth (Oct 24, 2019)
- Episode 1x03: Secrets of the Terror Tunnels (Oct 31, 2019)
- Episode 1x04: The Renegade's Lair (Nov 7, 2019)
- Episode 1x05: Cave of the Body Snatchers (Nov 14, 2019)
- Episode 1x06: World's Biggest Labyrinth (Nov 21, 2019)
- Episode 1x07: Treasures of the Lost Mine (Dec 5, 2019)
- Episode 1x08: Ghosts of the Hell Maze (Dec 12, 2019)
- Episode 1x09: Conspiracy in the Buried City (Dec 19, 2019)
- Episode 1x10: Curse of Cannibal Caves (Dec 26, 2019)
- Episode 2x01: Hotel Bunker of the Apocalypse (Aug 5, 2021)
- Episode 2x02: Mystery of the Kentucky Cave (Aug 12, 2021)
- Episode 2x03: Cincinnati's Secret Caverns (Aug 19, 2021)
- Episode 2x04: Buried Lab of the Black Hills (Aug 26, 2021)
- Episode 2x05: Ireland's Underground Alcatraz (Sep 2, 2021)
- Episode 2x06: Subterranean Silo Survival (Sep 9, 2021)
- Episode 2x07: Italy's Subterranean Secret (Sep 16, 2021)
- Episode 2x08: Grand Canyon's Lost Treasure (Sep 23, 2021)
- Episode 2x09: Murder Raid Tunnels (Sep 30, 2021)
- Episode 2x10: Medieval Maze of Secrets (Oct 7, 2021)