Thomas causes and accident at Brendam Docks and blames it on an imaginary engine called Geoffrey. Soon, everyone wants to know about the mysterious new engine.
The railway is being inspected and one of the grumpy inspectors leaves his treasured pocket watch in Annie. Can Thomas return it before the railway gets a bad report?
Percy has to take some very important sheep to the spring fair. At the shunting yard, he damages his livestock wagon and every time he stops, some of the sheep jump out through a hole until there are none left.
Mavis is sent to the dieselworks for repairs and Den is ordered to take her place at the quarry. He's nervous about working there without his best friend Dart.
Philip, an energetic diesel boxcab, arrives to work on the Fat Controller's railway and challenges Gordon to race. Philip sets off, unaware that Gordon is not competing.
Percy is to take the Mayor to the Sodor Search and Rescue Centre to celebrate their one-thousandth rescue, but jealous Diesel wants the job and sends Percy to an old, abandoned quarry instead.
