- This is Number 12
Emily is a Green Stirling Single Engine.
Appearances:
- Season 1: Stepney's Problem, Thomas' 4th of July, Murdoch and the Express (does not speak)
- Season 2: Daisy and the Visitor, James’ Tender Trouble (cameo), Old Slow Coach, The Flying Scotsman returns, The Flying Scotsman departs
- Season 3:
- Season 4:
- Season 5:
- Season 6:
- Season 7:
- Season 8:
- Season 14: Double-Decke-Wreacker (cameo), Hatt Trick (cameo)
- Season 15: Roundhouse Roulette (cameo), Nightmare on Sodor (fantasy,cameo).
- She is likely to have a speaking role in Season 16.