Series 4 poster

Series 4

27 episodes September 12, 1968

Episodes

1 Theory Sep 12, 1968 No ratings 2 Proof Sep 19, 1968 No ratings 3 Bird Of Passage Sep 26, 1968 No ratings 4 See The Rabbit Oct 3, 1968 No ratings 5 Take Them In Singles Oct 10, 1968 No ratings 6 Red Herring Oct 17, 1968 No ratings 7 Five Pairs O' Hands Oct 24, 1968 No ratings 8 Minor Incident Oct 31, 1968 No ratings 9 An Old Song Nov 7, 1968 No ratings 10 Big Boats, Little Boats Nov 14, 1968 No ratings 11 For A Rainy Day Nov 21, 1968 No ratings 12 Assistance Nov 28, 1968 No ratings 13 Equal Status Dec 5, 1968 No ratings 14 Obstruction Dec 12, 1968 No ratings 15 Going Quietly Dec 19, 1968 No ratings 16 On Christmas Day In The Morning Dec 27, 1968 No ratings 17 Departure Jan 2, 1969 No ratings 18 Cross Reference Jan 9, 1969 No ratings 19 Run For The Hills Jan 16, 1969 No ratings 20 Pressure Jan 23, 1969 No ratings 21 A Quantity Of Gelignite Jan 30, 1969 No ratings 22 Critical Path Feb 6, 1969 No ratings 23 Persistence Feb 13, 1969 No ratings 24 Second Chance Feb 20, 1969 No ratings 25 How's The Wife Then ? Feb 27, 1969 No ratings 26 Right To Search Mar 6, 1969 No ratings 27 Proved Connection Mar 13, 1969 No ratings