Oliver is a green tank engine.
Appearences
- Season 1 - A Passenger Bus Once Again (cameo), Oliver and the Snowstorm, and Sidney Helps Out
- Season 2 - Sodor Snowstorm (does not speak), The Ironworks Diesels, Tender Engines Don't Shunt! (cameo), and Sidney's First Christmas (cameo)
- Season 3 - A Train for the Queen (does not speak), A Tale of Two Olivers, and Hector the Ballast Hopper
- Season 4 - King of the Roads and Quack!
- Season 5 - Kevin in Charge, Wheels of Fortune, Harvey and the Railway Inspectors (cameo), Thomas Runs Away, and "It's A Great Story After All....."
- Season 6 - The Wrong Sort of Coal,
- Season 8 - Oliver's Scar and High Winds (cameo)
Gallery
| North Western Railway |
|---|
| Thomas • Edward • Henry • Gordon • James • Percy • Toby • Duck • Donald and Douglas • Oliver • Barry • Charles • Charlie • Eagle • Daisy • BoCo • Bear • Pip and Emma • Jason • Derek • Diesel 10 • Splatter and Dodge • Salty • Emily • Harvey • Arthur • Fergus • Murdoch • Diesel • Molly • Neville • Dennis • Rosie • Whiff • Billy • Hank • Flora • Scruff • Den • Dart • Norman • Paxton • Sidney • Belle • Porter • Gator • Patriot • Dave • Mark • Wilson • Brian • Vegard • Stafford • Jonathan • Phillip • Winston • Flynn • Brandon |