Duncan the Stubborn Narrow Gauge Engine is a supporting character in the television series.


  • Season 4 - Gone Fishing
  • Season 5 - Accidents will Happen, It's Great to be an Engine, Come for the Ride, and Percy's Seaside Trip
  • Season 6 - James the Really Splendid Engine, Little Engines, and Boo! Boo! Choo-Choo!
  • Season 7 - The Whistle Song
  • Season 9 - Buffer Up and Share, The Work Song, and One Friendly Family
  • Season 10 - H is for Harold, Navigation, There's Always Something New, Happy and Sad, and Strength
  • Season 11 - The Narrow Gauge Engines
  • Season 18 - It's Christmas Time, Jingle Bells!, and We Wish You a Merry Christmas
  • The Great Discovery - There's a Job for Everyone, Where, Oh Where is Thomas, and Thomas, You're the Leader


  • Although he hasn't had his own music video, Come for the Ride features a section that is dedicated to him.

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