* UnfinishedEpisode: According to WordOfGod, around 90 episodes worth of scripts had been made. It was dropped after one thirteen episode season.
* UrbanLegendOfZelda: Before Sodor Island Fansite began intense research, it was commonly believed that the series was cancelled because Britt Allcroft found it too similar to ''WesternAnimation/ThomasTheTankEngine'', and demanded its cancellation to avoid DuelingWorks. The actual reason is listed below.
* WhatCouldHaveBeen: Creator David Mitton claimed that nearly a hundred episodes were written and that a second season was in pre-production before Clearwater went bankrupt.