Samson is a cabless tank engine who lives on the Mainland.
Samson is based on an 0-4-0 saddle tank engine that worked at the High Harrington Ironworks on the Furness Railway.
Samson is painted viridian with red lining. He has a gold name plate and golden number plates.
- Season 13: The Duke of Hazard (cameo), Sam I Am (cameo), Sideplates and Skirmishes (does not speak) and How Gator Stole Christmas (cameo)
- Season 14: Millie's Castle Hassle (cameo) and Freddie at the Ready Part 1 (cameo), Cabless Companions, Dirty ‘Arry (cameo),
- Season 15: Toby's Turntable Fable
- Season 16: Marion Had a Little Lamb (cameo), Painting the Rosie's Red (cameo), Victor and Victoria (cameo)
- Season 17: Bold Slow Coach (cameo), Sidney Transplant (cameo), Oliver Confusion (cameo)
- Though Samson has appeared in the series, he didn't get a speaking role until Cabless Companions.