D9
Derek is a Diesel.
Appearences
- Season 1 - Where's BoCo?, The New Diesel Fuel (cameo), and The Funny Trick (cameo)
- Season 2 - Off to the Works and Derek Comes Home
- Season 3 - Thomas and the Twins (cameo) and Stealing Trains (cameo)
- Season 5 - Be On Your Guard!
- Season 6 - Triple Trouble,
| 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 |