"She bought it! Heh heh heh!"
— Fergus, after he tricked Molly, Fergus' Day Off, eleventh season Fergus is a traction engine. His catchphrase is "do it right" and always says it when an engine is doing something wrong.
Appearances:
- Season 1: A Scottish Tale, Wilbert and Tigermoth (cameo), Frank and the Trucks (cameo), and Thomas’ 4th of July (cameo)
- Season 5: Fergus' Market Day
- Season 6: Rosie Being Lazy
- Season 9: Arthur and the Fights of the Brown Turntable
- Season 10: Scruff and S.C. Ruffey and Mike Goes on Strike (cameo)
- Season 11: Fergus' Day Off, Stepney and the Bluebell Branchline (cameo), Station Situation and Old Square Wheels
- Season 12: Greetings, Montague!, Scottish Blues (cameo) and Henry's Handcar Havoc (cameo)
- Season 13: Who Stole the Coal? (cameo)
- Season 14: Cabless Companions
- Season 15: Roundhouse Roulette (does not speak)
- Season 16 Painting the Rosie's Red (cameo) and Victor and Victoria (cameo)
- Season 17: Oliver Confusion (cameo), Rocked by a Hurricane (cameo) and Para-Norman Activity (cameo)
- Season 18: Patrick Cements His Legacy
Specials: Oliver's Eleven
Basis
Fergus' basis.
Fergus is based on a real traction engine previously named "Blue Circle" which is the same color as Fergus. On occasions, "Blue Circle" has been dressed up as Fergus.
Trivia
- Fergus is the fourth item to not have black chassis with the first two being Terence and the Sodor Railway Repair, the fourth being Rocky, the fifth being Byron, and the sixth being Stephen's Coaches.
- Fergus was not featured in the 2009 Yearbook.
