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Best Friends is the 20th and final episode of Season 12 of Thomas and Friends and the 308th episode overall


Thomas and Percy are best friends, and always love to work together. No matter the job, if they are working together, they will get the job done.

One day, Thomas and Percy are shunting at the quarry when Neville puffs up. He informs the engines that the brass band is going to play. Despite liking the brass brand, Percy is upset that he never gets to pull them. Thomas suggests that Percy goes to the wash down and look as shiny as a trumpet. That way, it will be more likely that the Fat Controller will pick him. Percy happily puffs off. Just then, the Fat Controller arrives, and gives Thomas the job to collect the brass band after he has had a wash. Thomas is worried since Percy wanted to pull the train. Percy soon returns and is very happy. Thomas claims that he has another job, and chuffs away. Percy happily whistles, but Thomas is too worried to whistle back.

Thomas is having his wash when he sees Percy. He hides in the nearby shed, and Percy passes right by. Thomas is relieved. Soon, Thomas has collected Annie and Clarabel, but it is not the last time he sees Percy. Worried, Thomas decides to take the long way. He thinks that he will be able to avoid Percy, but he still finds Percy. Thankfully, Duck has a goods train, so Thomas hides behind the train. Percy rolls right past. With a quick "thank you" to a puzzled Duck, Thomas continues on his journey.

But by the time Thomas reaches the docks, he is late. He already feels bad enough, but he notices some mail vans, and knows Percy is coming and tells the band to hurry, but one of the players forgets his instrument, so Thomas has to wait. Now Percy will catch him, and Percy does. Percy feels betrayed, and asks Thomas why he did not tell him because he tells him everything. Thomas tries to whistle to cheer his friend up, but it does not work, and Percy does not whistle back. Thomas feels guilty as he puffs out of the docks.

When the concert is nearly over, the Fat Controller orders Thomas to take the band back. Knowing that Percy is pulling the mail, Thomas asks if they could switch jobs. The Fat Controller agrees. Thomas rushes off to find Percy, but the concert is almost over. At last, Thomas finds Percy, but he is still upset. Thomas suggests to switch jobs, and Percy's face lights up again. When all the work is done, Thomas promises Percy that he will always tell him everything.


  • Thomas
  • Percy
  • Duck
  • Annie and Clarabel
  • The Fat Controller
  • Neville


  • This is the last episode to have all characters voiced by the narrator