Toby is a tram engine.
- Season 1 - Races (does not speak), Paxton Helps Out, Rusty and Victor, Oliver and the Snowstorm (mentioned), Dave the Diesel (cameo), and Toby and Jennifer
- Season 2 - Unique Stafford (cameo), The Magic Railroad, Flora's New Coach, Daisy and the Chickens, and Sodor Blackout, Hiro goes Home, and Thomas and the Christmas Surprise
- Season 3 - Murdoch and the Heavy Goods Train, The Forest Fire, Red Paint (cameo), Replacing the Logging Locos, Scruff's Dirty Job (cameo), Musical Whistles, Snowmen, and Duke Returns
- Season 4 - Tiger Moth the Show-off, The New Fire Station (does not speak) and Toby's Seaside Trip
- Season 5 - Blondin Bridge (does not speak), Mavis and the Late Night Track Repairs, James and Dennis (cameo), Thomas and the Dare, Duncan and the Ghost Engine, Toby and Rheneas, James' Bee (Does not speak)