"The Duchess Assignment" is the 21st episode of the first series of the Supermarionation television series Thunderbirds.
Catherine, Duchess of Cambridge | Sarah, Duchess of York | Camilla, Duchess of Cornwall | Marie Louise, Duchess of Parma | Princess Louise, Duchess of Argyll | Duchess of Cambridge | Sarah Lennox, Duchess of Richmond and Lennox | Duchess of York | Duchess of Kent | Maria Teresa, Grand Duchess of Luxembourg | Duchess of Cornwall | Duchess Charlotte Georgine of Mecklenburg-Strelitz | Catherine of Brunswick-Wolfenbüttel, Duchess of Saxe-Lauenburg | Princess Madeleine, Duchess of Hälsingland and Gästrikland | Princess Alice, Duchess of Gloucester | Natalia Grosvenor, Duchess of Westminster | Maria Vladimirovna, Grand Duchess of Russia | Georgiana Cavendish, Duchess of Devonshire | Duchess Theatre | Duchess of Gloucester | Birgitte, Duchess of Gloucester | Princess Olga, Duchess of Apulia | Marie de Lorraine, Duchess of Guise | Louise de Kérouaille, Duchess of Portsmouth | Grand Duchess Tatiana Nikolaevna of Russia | Grand Duchess Anastasia Nikolaevna of Russia | Deborah Cavendish, Duchess of Devonshire | Alexandra Hamilton, Duchess of Abercorn | The Duchess of Duke Street | Sarah Churchill, Duchess of Marlborough |