Episodes
| Episode | Title | First Broadcast | Repeated | Comments |
|---|---|---|---|---|
| 01 | The Unusual Soiree | 20050310 | 20200518 (BBC7) | When poet Gabriel Syme meets Lucien Gregory, he's introduced to a secret society. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 02 | The Anarchists' Council | 20050311 | 20200519 (BBC7) | In an underground HQ, Syme witnesses Lucien Gregory addressing the Anarchist Council. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 03 | The Tale Of A Detective | 20050314 | 20200520 (BBC7) | When Syme turns the tables on Lucien Gregory, the Central Anarchist Council takes action. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 04 | The Feast Of Fear | 20050315 | 20200521 (BBC7) | Gabriel Syme meets his fellow anarchists at a breakfast meeting in Leicester Square. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 05 | The Exposure | 20050316 | 20200522 (BBC7) | Sunday unmasks one of the anarchists as a Scotland Yard detective. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 06 | Unaccountable Conduct Of Professor De Worms | 20050317 | 20200525 (BBC7) | Syme is chased through the London snow from Soho to St Paul's by the mysterious professor. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 07 | The Man In Spectacles | 20050318 | 20200526 (BBC7) | With new-found ally the professor, Gabriel rests up before they confront Doctor Bull. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 08 | The Duel | 20050321 | 20200527 (BBC7) | The three men go to France, where Gabriel Syme challenges the Marquis to deadly combat. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 09 | The Criminals Chase The Police | 20050322 | 20200528 (BBC7) | As Gabriel Syme engages his opponent in a duel, there's a revelation from the Marquis. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 10 | The Earth In Anarchy | 20050323 | 20200529 (BBC7) | The allies head for the coast using horses, then cars, to outrun their masked pursuers. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 11 | The Pursuit Of The President | 20050324 | 20200601 (BBC7) | After the sunset confrontation between motor cars, the detectives return to London. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 12 | The Six Philosophers | 20050325 | 20200602 (BBC7) | The men pursue Sunday as he flees them aboard a hot air balloon. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |
| 13 | The Accuser | 20050328 | 20200603 (BBC7) | As Sunday presides over a feast, Lucien Gregory appears. Gabriel is back in Saffron Park. Gabriel Syme, part of a secret Scotland Yard division, goes undercover to battle anarchy |