The Best Bus

Plot
Thomas and Bertie work well together. But one day, Thomas is shocked to learn that a a yellow open-topped omnibus is working on Bertie's route and Bertie fears that he'll be turned into a henhouse like Bulgy. But, when some heavy rain comes down, Bertie might gets his passengers back...!

Featured characters

 * Thomas
 * Bertie
 * The open-topped omnibus
 * Bulgy (mentioned)