"More help means more dirt and more dirt means more fun."
- Alfie, Thomas and the New House, second season
Alfie is a green exavator.
- Season 1 - The Old Recipe
- Season 2 - Thomas and the New House, Sodor Snowstorm, and The Mighty Nelson (cameo)
- Season 3 - George and Buster, A Tale of Two Olivers (cameo), and A Happy Day for Alfie
- Season 4 - Isobella's Busy Day (cameo), Saving Jack, and Welcome Back, Jack!
- Season 5 - Mind my Paintwork! (cameo), Nigel, Down the Bridge, Kelly's New Friend,