Series 4

5 episodes May 16, 1961

Episodes

1 Doves of War May 16, 1961 No ratings 2 One of Our Aircraft May 23, 1961 No ratings 3 Keeping a Promise May 30, 1961 No ratings 4 Traitor in the Forest Jun 6, 1961 No ratings 5 Logic and Lives Jun 13, 1961 No ratings