The Fat Controller tells welcomes Ferdinand his railroad by giving him a reward; sharing Gordon's special taking the Lion of Sodor to the summerhouse. Gordon thinks Ferdinand is 'frumpy' and takes the quiet track so no-one can see them. When Gordon goes too fast across the fenland, the Lion of Sodor falls into the river. Ferdinand helps Gordon retrieve the Lion of Sodor. Gordon realises he was wrong to think he was grander than Ferdinand.
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The Fat Controller gives Bash a reward for being a Really Useful Engine. His reward is to spend the day with Toby.
Emily is given the special of looking after Dash and taking him to the Children's Steam Fair and discovers that Dash can make special tweeting noises with his whistle.
Percy wants to make friends with the wild animals on Sodor but he just can't understand why the animals keep running away from him.
Edward is given the special job of being the Sodor Search and Rescue Engine and decides that he needs to become a hero in order to complete this task.
James is asked to be the Sodor Search and Rescue Engine but is horrified when the Fat Controller asks Toby to help him.
When Thomas notices that Hiro doesn't look very happy, he does everything he can to cheer him up.
Thomas and Percy are given the special of delivering a giant balloon that Mr Bubbles has blown up for his Big Balloon Show.
Henry is given a special of taking a very important visitor around Sodor. After he is teased by 'Arry and Bert for needing to use special coal, Henry decides to use normal coal instead and soon breaks down.
Gordon and Thomas go to Misty Island to collect logs for Famer McColl's animal shelter. The logging locos tell Gordon and Thomas that there is no snow on Misty Island because they haven't chuffed The Misty Island Snow Song.
It's the Winter Holidays on Sodor. Thomas is excited because that means it's party time! However Thomas's friends need help. Percy has a cracked coupling rod, Edward's pistons are popping and Stanley has a faulty firebox. Thomas brings them all to the Steamworks to be fixed.
It is very foggy and all the engines are asked to stay at Tidmouth Sheds by the Fat Controller. Spencer doesn't want to stay at the sheds and tries to find his way back to the Duke's and Duchess's Summerhouse. Finding his way in the fog is harder than he thought and Spencer gets lost, ending up back at Tidmouth Sheds. Thomas and the engines are kind to him and he realises he has been a silly engine!
Thomas feels sorry that Bertie doesn't get to travel on the rails so he decides to take Bertie on a tour of Sodor.
Thomas is given the special of being the Sodor Search and Rescue Engine for the day. Butch has a magnet attached to his crane arm and Thomas thinks it's very exciting. Victor tells them that the magnet works when the red light is switched on but Thomas and Butch don't listen, chaos ensues and Butch's magnet becomes stuck to Thomas!
Belle is very excited to learn that Toby also has a bell just like hers, so she decides to go and makes friends with him.
Victor leaves Kevin in charge of the Steamworks, and Kevin decides that he wants to be able to shunt like a Steamie so he can join in a game of Bish, Bash, Bosh with Thomas and Percy.
Thomas is getting his whistle fixed at the Steamworks before he delivers animals to the Sodor Country Fair, but he rushes out of the Steamworks before his whistle is fixed properly and it starts to make a wonky sound.
It has been snowing. Percy is waiting in a siding until Thomas finishes his jobs. Thomas rushes quickly to get his jobs done and doesn't realise he covers Percy with snow every time he rushes past. Percy is soon completely covered in snow, so much snow that Thomas can't find him!
Dowager Hatt announces a competition to see who can find the tallest and grandest Christmas tree on Sodor. It's the Diesels versus the Steamies as Thomas leads the chase to find the best tree of all!
Flynn tries to impress the Diesels when Devious Diesel tells Flynn that he is not a busy fire engine, so he starts to put out fires that don't actually exist!