When Edward doesn't get a thank you for helping Gordon, Thomas plans to help Edward.
Thomas decides to tease Annie and Clarabel by going to slow or too fast after they complained about him going to fast.
It is a spooky time for the engines when they begin to hear noises. Salty tells the engines it is the sound of the Flatbeds of Fear.
Diesel is not an easy friend to be with but Paxton likes to be friends with everyone.
Knapford Junction has a big gantry signal over the track and Toby is always nervous when he has to go through it.
Toad is desperate to have an adventure of his own so after the chance to work with James crops up, he is very excited.
Duck is stuck on a flooded track, James is sent to go find Rocky so they can rescue him.
The Fat Controller is worried about getting all of the many visitors to their destinations on time.
Diesel and Thomas are made to work together but Diesel manages to get Mavis instead.
A passenger pulls the emergency cable and Thomas has to stop quickly. It turns out not to be an emergency but a bird watcher who had seen a rare bird.
Duncan tries to stop a grump passenger complaining.
Marlon is busy repairing an embankment and finds something.
Percy loses his missing gator.
A shortage of coal means Bill and Ben have to be sensible.
Spencer is keen to impress a VIP passenger he is carrying.
It is a slow day for Gator when he finds himself sitting around with nothing to do. However when Oliver breaks down, Gator is more than happy to help. He collects Oliver's trucks and promises him he will bring them back in the morning. There is another problem when Gator's lamp keeps going out. He knows he will be late so he decides not to stop. Toad however argues that it is not safe. Toad has a light bulb moment, and he comes up with an idea that will help deliver the trucks safely and on time.
Gator returns to the Island of Sodor after being away for a long time. He is looking forward to seeing his old friend Percy. When Percy hears that Gator is back, he is very excited and immediately heads off to see him. But the two engines keep missing each other. They both have doubts they will see each other, but finally they connect and have a wonderful reunion.
It's Christmas Eve and a lot of passengers are coming home to Sodor for the holiday. Connor can't carry all the passengers who are trying to get on his train. He promises to come back and pick them up, but the snow keeps falling and the engines are struggling to keep the tracks clear. It becomes a race against time, and the engines have to work together to clear the tracks and get the passengers home in time for Christmas.
Everyone is happy at Christmas time except for Duncan, the Scottish narrow gauge engine, who seems to be grumbling even more than usual. Victor offers Duncan a new coat of paint if he can refrain from grumbling for one whole day. Duncan rises to the challenge, but it is not so easy for an engine who likes to grumble to give up a lifetime habit.
The whole island is celebrating Christmas and there are decorations everywhere. But it does not look very Christmas-y at the scrap yard. Percy starts to worry that Reg is missing out and he tries to find something to give Reg to cheer him up. But Reg only seems happy about scrap. Percy discovers that Reg is celebrating Christmas in his own way and has been making decorations from the scrap.