Season 2 Episode
- Season 1 A Princely Sum
- Season 1 Crash in the Desert
- Season 1 Paris Interlude
- Season 1 The Seance Story
- Season 1 The Human Factor
- Season 1 The Seamark
- Season 1 Three Steps to Murder
- Season 1 The Glass Diamond
- Season 1 Vendetta in Venice
- Season 1 The Last Bullet
- Season 1 Forty-Two on a Rope
- Season 1 The Duelists
- Season 1 The Counterfeit Stamp
- Season 1 We Are All Suspect
- Season 1 The Bay of the Dead
- Season 1 The Other Side of the Wall
- Season 1 Deadline Date
- Season 1 Girl on the Rocks
- Season 1 Grave and Present Danger
- Season 1 Double Negative
- Season 1 Mutation
- Season 1 Strange Visitor
- Season 1 The Altar
- Season 1 The Bad Spell
Markham - Season 1 Episode 20 Double Negative
6.00 30 minutes 
