Dirty Histories

Dirty Histories is an upcoming episode.

Plot
History is such an important subject, and yet, so few engines are interested in it.

Characters

 * James
 * Percy
 * Henry
 * Toby
 * Sir Topham Hatt
 * Henrietta (does not speak)
 * Thomas (end segment)
 * Annie and Clarabel (end segment)
 * Gordon (mentioned)

Trivia

 * At the end of the episode, Thomas mentions the events from the special, The Adventure Begins, stock footage from this special is also used.