Episodes[]
- A Trip to Misty Island - Thomas takes Jacob and Sierra to visit Misty Island for the first time.
- The New Building - A new building is built in Great Waterton.
- The First Tour
- Dizzy Diesels!
- Stepney's Day Out
- Rain
- Happy Hannah
- A Trip to the Park - Jacob and Sierra go to the Earl's Dinosaur Park for the first time.
- An Old Friend
- BoCo and Splatter
- Time
- Mysteries
- Rosie and the Puppies
- Transportation
- Speaking in Code
- Surprises from Misty Island
- Bradford the Hero
- Ashima's Visit
- Hiro's Hero
- Silly Sidney
- Whiff's Whiff
- Strength
- The Narrow Gauge Railway Show Part 1
- The Narrow Gauge Railway Show Part 2
- Rosie and Jennifer
- Damian's New Buffers
Characters[]
Coming Soon!
Characters Introduced[]
Trivia[]
- This season marks the first of several things:
- The first appearances of Bash, Dash, Ferdinand, Jennifer, Millie, Hannah, Bradford, and Misty Island.
- The first appearances of Dailey, Dawson, Damian, and David since their introductory season.
- The first season in which Brady and Duck do not appear.