Derek and the Express is a cancelled episode of Thomas: The Trainz Adventures.
Gordon is always known as Sodor's Express engine and he loves it. Lately, Gordon has been very rude to anyone who gets in his way, especially to Derek. Derek has been having terrible overheating issues but is too scared to go to the Dieselworks. Sir Topham Hatt sends Derek to the Dieselworks to get fixed while Gordon take time off to focus on the little things in life, especially being nicer to everyone around him. When Derek gets back, he gets a very special job.
- The working title for this episode was "Mainline Priorities".
- Though this episode was canceled, it was later made by fellow crew member, EpicLafiteau.