Series 1

13 episodes July 30, 1968

Episodes

1 The Watcher Jul 31, 1968 No ratings 2 The Night Intruder Aug 31, 1968 No ratings 3 Menace at the Mine Sep 7, 1968 No ratings 4 Monster of Steel Sep 14, 1968 No ratings 5 The Prisoner Sep 21, 1968 No ratings 6 The Secret Boat Sep 28, 1968 No ratings 7 The Fire Raisers Oct 5, 1968 No ratings 8 The Terrible Townsends Oct 13, 1968 No ratings 9 Robbery with Violence Oct 20, 1968 No ratings 10 Battle at Weaver's Lock Oct 27, 1968 No ratings 11 The Hero Nov 3, 1968 No ratings 12 The Mysterious Lighthouse Nov 9, 1968 No ratings 13 The Wreckers Nov 16, 1968 No ratings