Season 4 first aired on October the 1st 2014.
- A Hole's One - The Fat Controller proves that he is good at golf.
- Trusty Thomas - Thomas thinks Stephen and Bridget are not his friends anymore.
- The Easter Cake! - Lady Hatt needs to bake a cake for the annual engine crew's meeting.
- A Friend's Party - The Fat Controller's afternoon off does not go according to plan.
- The Umbrella - Heavy rain gets the better of Thomas as well as the Hatt family.
- Misbehaving - Some trucks make Stephen and Bridget cross.
- Puzzles - Stephen and Bridget's visit to the workshops gives them a surprise.
- Station Mystery - The Fat Controller is upset.
- A Old Friend - Annie and Clarabel are upset that one of their friends is going to be scrapped.
- Special Bus Service - A big red bus boasts that he is better than Bertie.
- The Best Bus - Thomas and Bertie meet a new face to the roads.
- The Cloud Factory! - Gordon calls Percy small.
- The Dodgems - Percy takes the dodgems to the funfair.