The series follows John Porter, a former British Special Forces soldier, who is drafted back into service by Section 20, a fictional branch of the Secret Intelligence Service.
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Iraq: Part 1 | 2010-05-05 | 60 min |
| Season 1 | Episode 2 | Iraq: Part 2 | 2010-05-05 | 60 min |
| Season 1 | Episode 3 | Zimbabwe: Part 1 | 2010-05-12 | 60 min |
| Season 1 | Episode 4 | Zimbabwe: Part 2 | 2010-05-12 | 60 min |
| Season 1 | Episode 5 | Afghanistan: Part 1 | 2010-05-19 | 60 min |
| Season 1 | Episode 6 | Afghanistan: Part 2 | 2010-05-19 | 60 min |
| Season 2 | Episode 1 | Project Dawn: Episode 1 | 2011-08-12 | 60 min |
| Season 2 | Episode 2 | Project Dawn: Episode 2 | 2011-08-19 | 60 min |
| Season 2 | Episode 3 | Project Dawn: Episode 3 | 2011-08-26 | 60 min |
| Season 2 | Episode 4 | Project Dawn: Episode 4 | 2011-09-09 | 60 min |
| Season 2 | Episode 5 | Project Dawn: Episode 5 | 2011-09-16 | 60 min |
| Season 2 | Episode 6 | Project Dawn: Episode 6 | 2011-09-23 | 60 min |
| Season 2 | Episode 7 | Project Dawn: Episode 7 | 2011-09-30 | 60 min |
| Season 2 | Episode 8 | Project Dawn: Episode 8 | 2011-10-07 | 60 min |
| Season 2 | Episode 9 | Project Dawn: Episode 9 | 2011-10-14 | 60 min |
| Season 2 | Episode 10 | Project Dawn: Episode 10 | 2011-10-21 | 60 min |
| Season 3 | Episode 1 | Vengeance: Episode 1 | 2012-08-17 | 60 min |
| Season 3 | Episode 2 | Vengeance: Episode 2 | 2012-08-17 | 60 min |
| Season 3 | Episode 3 | Vengeance: Episode 3 | 2012-08-24 | 60 min |
| Season 3 | Episode 4 | Vengeance: Episode 4 | 2012-08-31 | 60 min |
| Season 3 | Episode 5 | Vengeance: Episode 5 | 2012-09-07 | 60 min |
| Season 3 | Episode 6 | Vengeance: Episode 6 | 2012-09-14 | 60 min |
| Season 3 | Episode 7 | Vengeance: Episode 7 | 2012-09-21 | 60 min |
| Season 3 | Episode 8 | Vengeance: Episode 8 | 2012-09-28 | 60 min |
| Season 3 | Episode 9 | Vengeance: Episode 9 | 2012-10-05 | 60 min |
| Season 3 | Episode 10 | Vengeance: Episode 10 | 2012-10-12 | 60 min |
| Season 4 | Episode 1 | Shadow Warfare: Episode 1 | 2013-08-09 | 60 min |
| Season 4 | Episode 2 | Shadow Warfare: Episode 2 | 2013-08-16 | 60 min |
| Season 4 | Episode 3 | Shadow Warfare: Episode 3 | 2013-08-23 | 60 min |
| Season 4 | Episode 4 | Shadow Warfare: Episode 4 | 2013-09-06 | 60 min |
| Season 4 | Episode 5 | Shadow Warfare: Episode 5 | 2013-09-13 | 60 min |
| Season 4 | Episode 6 | Shadow Warfare: Episode 6 | 2013-09-20 | 60 min |
| Season 4 | Episode 7 | Shadow Warfare: Episode 7 | 2013-09-27 | 60 min |
| Season 4 | Episode 8 | Shadow Warfare: Episode 8 | 2013-10-04 | 60 min |
| Season 4 | Episode 9 | Shadow Warfare: Episode 9 | 2013-10-11 | 60 min |
| Season 4 | Episode 10 | Shadow Warfare: Episode 10 | 2013-10-18 | 60 min |
| Season 5 | Episode 1 | Legacy: Episode 1 | 2015-06-03 | 60 min |
| Season 5 | Episode 2 | Legacy: Episode 2 | 2015-06-10 | 60 min |
| Season 5 | Episode 3 | Legacy: Episode 3 | 2015-06-17 | 60 min |
| Season 5 | Episode 4 | Legacy: Episode 4 | 2015-06-24 | 60 min |
| Season 5 | Episode 5 | Legacy: Episode 5 | 2015-07-01 | 60 min |
| Season 5 | Episode 6 | Legacy: Episode 6 | 2015-07-08 | 60 min |
| Season 5 | Episode 7 | Legacy: Episode 7 | 2015-07-15 | 60 min |
| Season 5 | Episode 8 | Legacy: Episode 8 | 2015-07-22 | 60 min |
| Season 5 | Episode 9 | Legacy: Episode 9 | 2015-07-29 | 60 min |
| Season 5 | Episode 10 | Legacy: Episode 10 | 2015-07-29 | 60 min |
| Season 6 | Episode 1 | Retribution: Episode 1 | 2017-10-31 | 60 min |
| Season 6 | Episode 2 | Retribution: Episode 2 | 2017-11-07 | 60 min |
| Season 6 | Episode 3 | Retribution: Episode 3 | 2017-11-14 | 60 min |
| Season 6 | Episode 4 | Retribution: Episode 4 | 2017-11-21 | 60 min |
| Season 6 | Episode 5 | Retribution: Episode 5 | 2017-11-28 | 60 min |
| Season 6 | Episode 6 | Retribution: Episode 6 | 2018-01-31 | 60 min |
| Season 6 | Episode 7 | Retribution: Episode 7 | 2018-02-07 | 60 min |
| Season 6 | Episode 8 | Retribution: Episode 8 | 2018-02-14 | 60 min |
| Season 6 | Episode 9 | Retribution: Episode 9 | 2018-02-21 | 60 min |
| Season 6 | Episode 10 | Retribution: Episode 10 | 2018-02-28 | 60 min |
| Season 7 | Episode 1 | Silent War: Episode 1 | 2019-01-25 | 60 min |
| Season 7 | Episode 2 | Silent War: Episode 2 | 2019-02-01 | 60 min |
| Season 7 | Episode 3 | Silent War: Episode 3 | 2019-02-08 | 60 min |
| Season 7 | Episode 4 | Silent War: Episode 4 | 2019-02-15 | 60 min |
| Season 7 | Episode 5 | Silent War: Episode 5 | 2019-02-22 | 60 min |
| Season 7 | Episode 6 | Silent War: Episode 6 | 2019-03-01 | 60 min |
| Season 7 | Episode 7 | Silent War: Episode 7 | 2019-03-08 | 60 min |
| Season 7 | Episode 8 | Silent War: Episode 8 | 2019-03-15 | 60 min |
| Season 7 | Episode 9 | Silent War: Episode 9 | 2019-03-22 | 60 min |
| Season 7 | Episode 10 | Silent War: Episode 10 | 2019-03-29 | 60 min |
| Season 8 | Episode 1 | Vendetta: Episode 1 | 2020-02-14 | 60 min |
| Season 8 | Episode 2 | Vendetta: Episode 2 | 2020-02-21 | 60 min |
| Season 8 | Episode 3 | Vendetta: Episode 3 | 2020-02-28 | 60 min |
| Season 8 | Episode 4 | Vendetta: Episode 4 | 2020-03-06 | 60 min |
| Season 8 | Episode 5 | Vendetta: Episode 5 | 2020-03-13 | 60 min |
| Season 8 | Episode 6 | Vendetta: Episode 6 | 2020-03-20 | 60 min |
| Season 8 | Episode 7 | Vendetta: Episode 7 | 2020-03-27 | 60 min |
| Season 8 | Episode 8 | Vendetta: Episode 8 | 2020-04-03 | 60 min |
| Season 8 | Episode 9 | Vendetta: Episode 9 | 2020-04-10 | 60 min |
| Season 8 | Episode 10 | Vendetta: Episode 10 | 2020-04-17 | 60 min |
| Art | Zsuzsa Mihalek | Set Decoration |
| Crew | Paul Biddiss | Military Consultant |
| Visual Effects | Adam Howarth | Special Effects Supervisor |
