Season 2 Episode
- Season 1 Trapped in the Sky
- Season 1 Pit of Peril
- Season 1 The Perils of Penelope
- Season 1 Terror in New York City
- Season 1 Edge of Impact
- Season 1 Day of Disaster
- Season 1 30 Minutes After Noon
- Season 1 Desperate Intruder
- Season 1 End of the Road
- Season 1 The Uninvited
- Season 1 Sun Probe
- Season 1 Operation Crash-Dive
- Season 1 Vault of Death
- Season 1 The Mighty Atom
- Season 1 City of Fire
- Season 1 The Imposters
- Season 1 The Man from M.I.5
- Season 1 Cry Wolf
- Season 1 Danger at Ocean Deep
- Season 1 Move – And You're Dead
- Season 1 The Duchess Assignment
- Season 1 Brink of Disaster
- Season 1 Attack of the Alligators!
- Season 1 Martian Invasion
- Season 1 The Cham-Cham
- Season 1 Security Hazard
Thunderbirds - Season 1 Episode 21 The Duchess Assignment
7.53 50 minutes The Duchess of Royston has fallen on hard times, leading her friend Lady Penelope to enlist Jeff's help. The Duchess and her one asset – the painting Portrait of a Gazelle, by Braquasso – fall into criminal hands and it is up to International Rescue to save both.
