The adventures of Thomas the Tank Engine and his friends on the island of Sodor. Thomas is often in trouble and finds it difficult to be a useful engine.
Down at the docks Cranky the crane is snowed under, so the Fat Controller asks Kevin, a very enthusiastic young crane from the steam works, to help out.
The Fat Controller decides it's time for Scruff to be repainted. But Scruff hates being washed, let alone repainted! How will he cope with a makeover?
While keeping an eye on some track repairs, the Fat Controller forgets to put Winston's hand brake on and he rolls off on his own causing mayhem!
When he gets hit by a loose rock that Paxton is carrying back from the quarry, Gordon springs a leak. Will the express be able to keep to the timetable? (S17 Ep 4)
When the Vicarstown Bridge is closed for repairs, Caitlin, a big, fast passenger engine from the mainland, has to spend the night on Sodor. (S17 Ep5)
CGI animated. Stafford, the electric engine, asks Thomas to teach to make a sound like a proper engine. But when is it useful to be quiet? (S17 Ep 6)
Henry and Hiro take on some of the bad coal and start puffing black smoke. Will Hiro be able to deliver their loads when Henry goes back to the shed? (S17 Ep7)
Thomas accidentally backs into Toby at the water tower and gets his firebox wet, meaning that poor Thomas must wait for his firebox to dry out.
When a new engine called Connor arrives on Sodor, Bill and Ben play a trick on him that nearly leads to him having an accident.
When the turntable is freezes and only one berth is accessible Gordon thinks he should have it, but Thomas insists that they need to save it for Percy who is out on the mail run.