Series 1

01 Checkpoint 1 Episode 113th March 1972 02 Checkpoint 2 Episode 214th March 1972 03 Checkpoint 3 Episode 315th March 1972 04 Checkpoint 4 Episode 416th March 1972 05 The Defector 1 Episode 520th March 1972 06 The Defector 2 Episode 621st March 1972 07 The Defector 3 Episode 722nd March 1972 08 The Defector 4 Episode 823rd March 1972 09 Package Deal 1 Episode 927th March 1972 10 Package Deal 2 Episode 1028th March 1972 11 Package Deal 3 Episode 1129th March 1972 12 Package Deal 4 Episode 1230th March 1972 13 The Contract 1 Episode 135th April 1972 14 The Contract 2 Episode 146th April 1972 15 A Visit From Hamburg 1 Episode 157th April 1972 16 A Visit From Hamburg 2 Episode 168th April 1972 17 Double Agent 1 Episode 1719th April 1972 18 Double Agent 2 Episode 1820th April 1972 19 A Time To Kill 1 Episode 1926th April 1972 20 A Time To Kill 2 Episode 2027th April 1972 21 Girl In Waiting 1 Episode 213rd May 1972 22 Girl In Waiting 2 Episode 224th May 1972 23 Redmayne 1 Episode 2310th May 1972 24 Redmayne 2 Episode 2411th May 1972 25 The Executioner 1 Episode 2517th May 1972 26 The Executioner 2 Episode 2618th May 1972 27 The Executioner 3 Episode 2724th May 1972 28 The Executioner 4 Episode 2825th May 1972 29 Lorna 1 Episode 2931st May 1972 30 Lorna 2 Episode 301st June 1972 31 Who Among Us? 1 Episode 317th June 1972 32 Who Among Us? 2 Episode 328th June 1972 33 Who Among Us? 3 Episode 3314th June 1972 34 Who Among Us? 4 Episode 3415th June 1972 35 Who Among Us? 5 Episode 3521st June 1972 36 Who Among Us? 6 Episode 3622nd June 1972