Thomas Made up Characters and Episodes Wiki
Thomas Made up Characters and Episodes Wiki

Season 12 of Adventures on Rails will air from April 5th to June 14th, 2013.


  1. Diesel Does it Again
  2. Project 11001
  3. David's Restoration
  4. Stepney and the Diesel
  5. Percy's Important Job
  6. Dirty Percy
  7. A Surprise for Percy
  8. Freedom at Last!
  9. Clever Thinking
  10. Centenary of the Skarloey Railway


  • Thomas
  • Edward
  • Henry
  • Gordon
  • James
  • Percy
  • Toby
  • Duck
  • Donald and Douglas
  • Stepney
  • Delete
  • Dodger
  • Diesel
  • The Diesel
  • Skarloey
  • Rheneas
  • Sir Handel
  • Peter Sam
  • Duncan
  • Rusty
  • Sir Topham Hatt
  • The Thin Controller

Characters Introduced

  • David*- a J11 rescued from scrap used for goods on Edward's Branch and the Main Line.
  • already has been introduced in another production 

Confirmed Information

The season will have ten episodes taking place from 1960-1965. It will show David's restoration, the plan to build the Bulleid Diesel, Mavis and BoCo's arrivals, and opening of the Tidmouth-Arlesburgh Branch Line. It will also see Diesel's return to Sodor in 1961. Percy at the Coal Mines Marathon is now confirmed to be a stand alone marathon that takes place during this season. However, it was then announced that it would be back on to the season.