s01e01 Troika
s01e02 Smokescreen
s01e03 The Promised Land
s01e04 A Date with Leonidas
s01e05 The Kazimiriov Affair
s01e06 A New Face
s01e07 You Don't Exist
s01e08 The Children of Delight
s01e09 Reliable Sources
s01e10 Short Change
s01e11 Exit a Diplomat
s01e12 Care of Her Majesty
s01e13 Visitor from Moscow
s01e14 Time Bomb
s02e01 Inside
s02e02 Dinner Date
s02e03 Depart in Peace
s02e04 Miss International
s02e05 Warrant for a Phoenix
s02e06 The Pleasure of Your Company
s02e07 Not to Be Trusted
s02e08 Borderline Case
s02e09 Love from Doris
s02e10 Sorry is Just a Word
s02e11 Error of Judgement
s02e12 Reported Missing
s02e13 Fool's Mate
s03e01 A Copper Called Craven
s03e02 Round the Clock
s03e03 Inquisition
s03e04 Assault
s03e05 Polonaise
s03e06 Red Herring
s03e07 Death by Drowning
s03e08 All the King's Men
s03e09 Threat
s03e10 The Other Man
s03e11 You Won't Remember Me
s03e12 Hostage
s03e13 Blueprint for Murder
s04e01 Double Exposure
s04e02 Catherine the Great
s04e03 Jailbait
s04e04 Stand and Deliver
s04e05 Something About a Soldier
s04e06 Rendezvous
s04e07 Sounds Sinister
s04e08 Entente Cordiale
s04e09 Date of Birth
s04e10 Intercept
s04e11 Alien
s04e12 Diversion
s04e13 Downwind of Angels