• TheTVDB.com Season ID 466900
  • Created May 29, 2011
  • Modified August 29, 2022
When available, episode names will be translated into your preferred language. Otherwise they will be shown using the series' origin language.
Name First Aired Runtime Image
S01E01 The Monstrous Plot
June 10, 1939
28
S01E02 The Mysterious Friend
June 10, 1939
17
S01E03 The Executioner
June 10, 1939
17
S01E04 Sabotage
June 10, 1939
17
S01E05 The Ray of Death
June 10, 1939
17
S01E06 Thirty Seconds to Live
June 10, 1939
17
S01E07 The Flooded Mine
June 10, 1939
17
S01E08 S.O.S.
June 10, 1939
17
S01E09 Ladder of Peril
June 10, 1939
17
S01E10 The Infernal Machine
June 10, 1939
17
S01E11 The Red Circle Speaks
June 10, 1939
17
S01E12 Flight to Doom
series finale
June 10, 1939
17

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