Edward has to deliver a waterwheel to the waterworks at Great Waterton. He ignores advice and takes the waterwheel on the bumpy tracks where he thinks more people will be able to see the magnificent wheel.
The funfair has arrived on Sodor and Rosie is hoping gets the job of delivering it. Instead The Fat Controller asks Emily. Disappointed, Rosie decides that she can 'help' Emily, who has a lot of other jobs, by taking the funfair alone.
Toby becomes determined to find something special on the island, just like his friends, so that The Fat Controller will think that he too is special. But Toby spends so much time searching for something special that he runs out of coal.
Emily is declared "excellent" by The Fat Controller and it goes straight to her head. When she is given an important job to do, she comes across a series of tricky situations, and finds herself up to her buffers in sticky mud.
It's the Percival twins' birthday and Mr Percival has got them a Hot Air Balloon ride as a treat. When Duncan learns this, he is upset as he already has his birthday flag fixed on his cab ready to take the twins for a special birthday ride.
It is the first Great Waterton Festival and Toby is to lead the parade. Thomas is delighted for his friend. When The Fat Controller introduces Thomas to Flora, a new steam tram, and tells them that she is to lead the parade with Toby, Thomas is worried.
Gordon is a very proud engine and thinks he knows the Sodor railway better than any other engine. When taking a short cut in order to get to the docks first, he gets lost and won't ask for directions from the other engines.
Thomas has been given the job of delivering specially made blocks for the rebuilding of the Sodor River Bridge. When his brakes start to fail, his friends offer to help. However, Thomas is too proud to accept!