14 color episodes from seasons 5 and 6:
5.17 - The Death Game
5.18 - Art Lovers (The Art Collectors)
5.19 - Annette (To Kill a Saint)
5.20 - The Counterfeit Countess
5.08 - The Roman Festival (The Man Who Liked Lions)
5.21 - Delilah has disappeared (Simon and Delilah)
5.22 - The Mysterious Treasure (Island of Chance)
5.23 - Traps of all kinds (The Gadget Lovers)
5.24 - True copies (Double in Diamonds)
5.25 - An old friend (The Power Artist)
5.26 - Who is the traitor? (When Spring is Sprung)
6.01 - Antiquities (The Gadic Collection)
6.02 - The Drowned (The Best Laid Schemes)
6.03 - The Gold Coin (Invitation to Danger)