Rosie's Terrible Mistake

Rosie's Terrible Mistake is the sixteenth episode of the sixteenth season.

Characters

 * Thomas
 * Toby
 * Bill and Ben
 * Rosie
 * Bash and Dash
 * Ferdinand
 * Norman
 * Paxton
 * Sidney
 * Sir Topham Hatt
 * Mavis (cameo)
 * Henrietta (cameo)
 * Rocky (cameo)
 * Harold (cameo)
 * Captain (cameo)
 * Cranky (cameo)
 * The Knapford Stationmaster (cameo)
 * Farmer McColl (mentioned)