Chuggington Wiki

The Untitled Decka Episode was a canceled episode planned for the third season. It would have been used as the debut episode for Decka.


Action Chugger[1] and Vee were likely to appear.



  • It is unknown what the original plot of the episode was, but a possible story idea from the StackTrack training cards, reveals Decka wanting a big adventure and being trapped inside a tunnel, later being rescued by Action Chugger.[1] It is unknown if this story was made specifically for marketing or if it had been a cut script.
  • This is one of the twelve episodes that were cut from the season, because of this, Decka's debuted in the episode, Top Secret Koko.
    • This would have marked the first chronological appearance of Decka.