Sidney's Song

Sidney's Song is an upcoming episode.

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Diesel 10
 * Norman
 * Sidney
 * Annie
 * Sir Topham Hatt
 * Connor (does not speak)
 * Caitlin (does not speak)
 * Clarabel (does not speak)
 * Toby (cameo)
 * Duck (cameo)
 * Donald and Douglas (cameo)
 * Harvey (cameo)
 * Emily (cameo)
 * Charlie (cameo)
 * Salty (cameo)
 * Flora (cameo)
 * Murdoch (cameo)
 * Hiro (cameo)
 * Mavis (cameo)
 * Scruff (cameo)
 * Timothy (cameo​)
 * Gator (cameo)
 * Spencer (cameo)
 * Stafford (cameo)
 * Stephen (cameo)
 * Gina (cameo)
 * Diesel (cameo)
 * Den (​cameo)
 * Dart (cameo)
 * Norman (cameo)
 * Bash and Dash (cameo)
 * Ferdinand (cameo)
 * Flynn (cameo)
 * Rheneas (cameo)
 * Peter Sam (cameo)
 * Mighty Mac (cameo)
 * Victor (cameo)
 * Butch (cameo)
 * Harold (cameo​)
 * Captain (cameo)
 * Cranky (cameo)