The Duchess Assignment
Thunderbirds: Season 1, Episode 21
Enjoying a vacation on the French Riviera, Lady Penelope meets an old friend, the Duchess of Royston. The Duchess has lost almost everything on the roulette wheel so Penelope decides to act as an art broker for her - attracting the attention of...
Show: Thunderbirds
Written by: Martin Crump
Air date: February 17, 1966
Episode number: 21
Season number: 1