Series 3

The third season aired between 1991 and 1992. There were twenty-six episodes narrated by Michael Angelis in the UK and by George Carlin in the US.

Episodes

 * 1) A Scarf for Percy - Percy wants to wear a scarf, but changes his mind after an accident with a trolley.
 * 2) Percy's Promise - Percy makes a promise to Thomas, and despite a terrible storm manages to get Annie, Clarabel, and the Sunday school home safely.
 * 3) Time for Trouble - James takes over Gordon's work, but is humbled after having to push Toby to the Works.
 * 4) Gordon and the Famous Visitor - Gordon is jealous of a visitor's high-speed record, and loses his dome trying to be as good.
 * 5) Donald's Duck - Duck gets cross at Donald and plays a trick on him.
 * 6) Thomas gets Bumped - Thomas is scared Bertie will take over his passenger traffic after he is sent to the yard.
 * 7) Thomas, Percy and the Dragon - Thomas gets even with Percy's ghostly prank with the help of a paper Chinese dragon.
 * 8) Diesel Does it Again - Diesel returns to cause trouble for Percy and Duck at the harbour.
 * 9) Henry's Forest - Henry is upset when a forest is decimated in a storm, but Toby puts things right.
 * 10) The Trouble with Mud - Gordon is given goods work after spraying James with mud, but ends up helping James up the hill.
 * 11) No Joke for James - James tricks Gordon into giving him the Express, but soon regrets his trick.
 * 12) Thomas, Percy and the Post Train/Thomas, Percy and the Mail Train - Thomas and Percy try to save their post trains from Harold.
 * 13) Trust Thomas - Thomas promises to help mend Bertie's roads, but must help himself first after Gordon and James get him into bother.
 * 14) Mavis - The new diesel, Mavis, proves to be arrogant and troublesome.
 * 15) Toby's Tightrope - Mavis redeems herself after Toby nearly "walks a tightrope" when his trucks push him onto an unsafe bridge.
 * 16) Edward, Trevor and the Really Useful Party - Edward and Trevor help the vicar with a garden party, while Bertie runs into bother in the mud.
 * 17) Buzz Buzz/James goes Buzz Buzz - James calls BoCo a "buzzbox", but becomes one himself after a beehive is broken by a porter.
 * 18) All at Sea - Duck wishes to travel to the horizon, but after helping an injured workman he changes his mind.
 * 19) One Good Turn - Bill and Ben fall out over an incident with a turntable.
 * 20) Tender Engines - Henry boasts he deserves an extra tender for his hard work, but Duck brings him down to earth again.
 * 21) Escape - Douglas rescues a Great Western engine named Oliver from scrap.
 * 22) Oliver Owns Up - Oliver is boastful, but a group of grumpy coal trucks teach him a lesson.
 * 23) Bulgy - A rude bus attempts to steal Duck and Oliver's passengers.
 * 24) Heroes - Bill and Ben cause confusion at the harbour, but they're not to blame when there's a landslide at the quarry.
 * 25) Percy, James and the Fruitful Day - Percy and James have an adventure with a fruit train.
 * 26) Thomas and Percy's Christmas Adventure/Thomas and Percy's Mountain Adventure - Thomas and Percy work together to give a snowed-down village a Merry Christmas.

Characters

 * Thomas
 * Edward
 * Henry
 * Gordon
 * James
 * Percy
 * Toby
 * Duck
 * Donald and Douglas
 * Bill and Ben
 * Diesel
 * BoCo
 * Annie and Clarabel
 * Terence
 * Bertie
 * Trevor
 * Harold
 * Sir Topham Hatt
 * Lady Hatt
 * The Vicar of Wellsworth
 * Jem Cole
 * Henrietta (does not speak)

Characters introduced

 * Oliver
 * Mavis
 * Bulgy
 * Toad
 * City of Truro (does not speak; not named)
 * Flying Scotsman (tenders only cameo; not named)
 * Bulgy's friend (mentioned)