Episode: 1 Murder by Radiation Episode: 2 Electronic Killer Episode: 3 Deadly Diamonds Episode: 4 The Lost Moon Episode: 5 Death Below Zero Episode: 6 Operation Failure Episode: 7 Trapped Behind Bars Episode: 8 Counterfeit Millions Episode: 9 The Walking Ghost Episode: 10 Secret of the Jungle Episode: 11 Sabotage Under The Sea Episode: 12 Isle of Mystery Episode: 13 The Curse of the Pharaohs Episode: 14 The Deserters Episode: 15 The Electrified Man Episode: 16 The Young Criminal Episode: 17 The Deadly Project Episode: 18 Touchdown Terror Episode: 19 Top Secret Weapon Episode: 20 The Human Bomb Episode: 21 The Mark of Death Episode: 22 Arctic Avalanche Episode: 23 Mystery of the Forest Episode: 24 The Invisible Terror Episode: 25 Saboteurs of the Sky Episode: 26 Peril from the Arctic