The Trainsons is a Thomas/The Simpsons parody series. It is about Thomas the Tank Engine, his wife Emily, his son Percy and daughters Rosie and Lady.


  • Thomas as Homer
  • Emily as Marge
  • Percy as Bart
  • Rosie as Lisa
  • Lady as Maggie
  • Toby as Grandpa Abe
  • Edward as Ned Flanders
  • Bill & Ben as Rod & Todd Flanders
  • Diesel as Mr. Burns
  • Donald as Lenny
  • Douglas as Carl
  • Henry as Barney
  • Gordon as Principal Skinner
  • Whiff as Milhouse Van Houten
  • Duck as Martin Prince
  • James as Moe
  • Mavis as Allison Taylor
  • Madge as Edna Krabappel
  • Elizabeth as Agnes Skinner


Season 1

Season 2

  • Percy Gets An F
  • Trainson and Deliliah
  • Trainson: Treehouse Of Horror
  • Two Cars In Every Garage and Three Eyes On Every Truck
  • Dancin' Thomas
  • Sludge Putting Society
  • Percy vs. Thanksgiving
  • Percy the Daredevil
  • Lorry 1 & Lorry 2 and Emily
  • Percy Gets Hit by a Car
  • One Fish, Two Fish, Blowfish, Bluefish
  • Thomas Was The Way We Was
  • Thomas vs. Rosie and the 8th Commandment
  • Principal Charming
  • Percy of War
  • Percy' Dog Gets An F
  • Old Money
  • Brush With Greatness Thomas and Friends Version
  • Rosie's Substitute
  • The War of The Trainsons
  • Three Engines & A Comic Book
  • Blood Feud

Season 3

  • Stark Raving Train
  • Mr. Rosie Goes to Washington
  • When Edward Failed
  • Percy the Murderer
  • Thomas Defined
  • Like Train, Like Crane
  • Trainson: Treehouse of Horror 2
  • Rosie's Pony
  • Saturdays of Thunder

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