Bert's Ballast Cars

Bert's Ballast Cars is an upcoming episode.

Characters

 * Thomas
 * Percy
 * Duck
 * Donald and Douglas
 * Oliver
 * Whiff
 * Marion
 * Mighty Mac
 * Rex
 * Mike
 * Bert
 * Toad
 * The Thin Clergyman
 * Rocky (does not speak)
 * Connor (cameo)
 * Sidney (cameo)
 * Scruff (cameo)
 * Porter (cameo)
 * 'Arry and Bert (cameo)
 * Paxton (cameo​)
 * Murdoch (cameo)
 * Flynn (cameo)
 * Bertie (cameo)
 * Alife (cameo)

Trivia

 * This episode marked the first of a few things:
 * The Thin Clergyman's first speaking role in the television series.
 * The Thin Clergyman and the small engines' first appearances in an episode.
 * Alfie's first appearance in an episode since the twelfth season episode, Percy and the Bandstand, he only makes a cameo in this episode.
 * Mighty Mac's first appearances since the twelfth season episode, The Party Surprise and their first speaking roles since Mountain Marvel.

Goofs

 * Connor's coaches change to his express coaches.