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This article is about the episode. You may be looking for the steam engine or the Story Library book.

“I'm Mighty!"
"And I'm Mac!"
"And together we're Mighty Mac!”
―Mighty Mac

Mighty Mac is the fourth episode of the ninth series.


During the height of the busy Summer season, the Thin Controller purchases a new engine for his railway. Thomas meets the new engine at the Transfer Yards and the new engine reveals himself as Mighty at one end and Mac at the other. Thomas is surprised as he has never seen such an unusual engine before. Just then, the Thin Controller tells Mighty Mac to take holidaymakers to the campsite in the mountains. However, there are many tracks between the passengers and Mighty Mac, who are nervous as they were used to working in the shunting yards. Thomas advises them to look where they want to go and follow the track that will take them there. Mighty sets off, but then Mac takes the lead, thinking his way is quicker. As Mighty and Mac fight over who should take the lead, they end up going in all sorts of directions, even going on the turntable. As a result of their leadership battle, they end up back where they started and nowhere near the holidaymakers at all, making Mr. Percival very cross.

Eventually, Mighty Mac sets off with the holidaymakers. However, their feud is far from over as they argue at junctions on which way to go. Mighty pulls one way and then Mac pulls the other. All of this is making an uncomfortable ride for the holidaymakers and they end up at a dead end. The holidaymakers are cross and Mighty and Mac blame each other. This results in an accident, as they push the coach off the rails and into a giant, solid rock on a bottom cliff of the mountain. This triggers a rockslide and it blocks their path. Mighty and Mac now realise how silly they have been.

The holidaymakers set to work to getting their coach back on the rails and soon it is back on track. Impressed by this, Mighty Mac work together to shift the rocks out of the way and then collect their coach. They see the flag of the campsite high above them. Remembering Thomas' advice, they set off for the campsite. After they bring the holidaymakers to the campsite, Mighty and Mac set off for home. Mighty and Mac both agree that working together makes them a Really Useful Engine.




  • This episode marks the first of three things:
    • The first appearance of the Skarloey Railway, its engines and its rolling stock in the HiT Entertainment era.
    • The first appearance of The Thin Controller/Mr. Percival in the television series, both in-person and as controller of the Skarloey Railway.
    • The first appearance of Mighty Mac.
  • Two British railway posters are seen in the coach. One for "Coronation Scot" on the LMS and one for "Battle of Britain" on the Southern Railway.
  • The camp flag is actually a signal flag which means "Man Overboard!"
  • In a deleted scene passengers are seen with the bodies of Cyril the Fogman and Old Bailey.
  • In the Dutch version of the episode, stock footage from Thomas and the Rainbow was used at the beginning.


  • Right before the coach derails and smashes into the rock, the track Mighty Mac is on has been moved so it can lead straight into the cliffside.
  • When the coach derails, it is attached to Mac's end, but when it is put back on the track, it is on Mighty's end.
  • When Mighty Mac go to the dead end, their steam platform can be seen just before they stop.
  • When Mighty Mac begin their journey, they are not coupled up to the coach.

In Other Languages

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Language Title
Chinese 麦帝麦克
Croatian Moćni Mak
Czech Silák Mac
Danish Mighty Mac
Dutch Jut en Jul
Finnish Mahti Max
German Wo geht’s lang?
Hungarian Mighty és Mac
Italian Super Mac
Japanese マイティマック
Korean 고집불통 마이티 맥
Norwegian Mektige Mac
Polish Mocny Maciek
Portuguese Mighty Mac
Romanian Mighty Mac
Russian Майти и Мак
Scottish Gaelic Einnsean Air Leth
Slovak Silák Mac
Spanish Mighty Mac
Swedish Stark Adolf
Thai คู่แฝดไมค์ตี้แมค


Home Media Releases


DVD Packs


US DVD Boxsets



  • The Complete Series 9

DVD Boxsets






DVD Boxsets




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