| A Spy Among Friends | ITVX | 1 | 6 |
| Alex Rider | Amazon Prime Video | 3 | 24 |
| Ashenden | British Broadcasting Corporation | — | 4 |
| Liaison | Apple TV | 1 | 6 |
| M.I. High | BBC One | 8 | 88 |
| Slow Horses | Apple TV | 6 | 34 |
| Spy City | — | 1 | 6 |
| Spy Trap | BBC One | 3 | 61 |
| The Avengers | ITV | 6 | 161 |
| The Game | BBC America | 1 | 6 |
| The Honourable Woman | BBC Two | 1 | 8 |
| The Little Drummer Girl | BBC One | 1 | 6 |
| The New Avengers | ITV | 2 | 26 |
| The Night Manager | AMC, BBC One | 2 | 12 |
| The Prisoner | ITV | 1 | 17 |
| The Saint | ITV | 6 | 118 |