Bye Bye Bertie is the fifth episode of Season 16. It aired on July 31, 2020.


Trouble arises on Thomas' branchline and it's up to the #1 blue engine to find out what's going on!



  • This marks the first appearance of Ace.
  • The plot is similar to the second season episode, Thomas Helps a Friend.
  • The scene of Bulgy bringing Thomas’ passengers while Bertie was being repaired is similar to the television series episode Unscheduled Stops.
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