Thomas & Friends S02E03 - Bertie's Chase

Based on the story of the same name from Edward the Blue Engine.

Thomas' fireman isn't able to come in to work and Bertie agrees to take his passengers. Edward is unaware of the change of plan, and leaves before Bertie arrives. Bertie is determined to help the passengers catch their train, but each time Bertie stops, he misses Edward who's already moved on.