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"Hello, J-J-J-James."
"Scary Jack Frost!
— Percy and James

Jack Frost is the sixteenth episode of the sixth season.


Percy and James have to collect coal for the stations to last during an upcoming snowstorm, and Thomas mischievously warns them about Jack Frost. James is dismissive, but Percy is uncertain if Thomas is telling the truth. Percy eventually finishes his deliveries, but his last stop needs more coal and so Percy gives them the coal from his bunker and waits for Elizabeth to deliver more coal by staying on a siding, where he is soon covered in snow and icicles. James later passes by and, upon seeing a snowbound Percy, mistakes him for Jack Frost and runs off, terrified. Elizabeth brings Percy coal the following morning and as soon as Percy's fire starts, the snow and icicles melt off, and he decides that Jack Frost isn't scary at all. When Percy returns, James is bragging to the others that he saw Jack Frost. Percy adds that James was scared of him too, but the red engine is still able to make good humour of the situation.




  • The shot of Percy is mirrored when Elizabeth says, "It looks like Jack Frost really got you then."
  • Edited stock footage from Percy's Promise is used. Denoted by the fact that Percy's floor appears to be wet and floorboards are used to start up the fire instead of coal.
  • This is the only sixth season that wasn't released on VHS in the UK.


  • The amount of snow on Percy's face decreases at one point.
  • When James sees Percy and runs away, Percy's truck disappears.


In Other Languages

Language Name Meaning
French Jack Frost: Le Locomoteur de Blanc Jack Frost: The White Engine
Dutch Jack Frost: De Wit Locomotive Jack Frost: The White Engine
Danish Jack Frost Jack Frost
Norwegian Jack Frost Jack Frost
Swedish Kung Bure King Bure
Catalan Jack Frost: El Blanc Motor Jack Frost: The White Train
Polish Dziadek Mróz Jack Frost
Slovak Dedo Mráz Santa
Slovenian Ledenko Frosty
Romanian Moş Gerilă Jack Frost
Hungarian Fagybátyó Frost Brother
Italian L'uomo di Neve The Snow Man
Japanese ジャックフロスト Jack Frost
Russian Мороз - красный нос Jack Frost
Chinese 杰克·弗罗斯特 Jack Frost
Korean 동장군 Jack Frost
Thai เจมส์ตกใจกลัว James is Awestruck

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