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"It made me feel like a Really Useless Engine!"
— Percy

A Bad Day for Harold the Helicopter, retitled A Bad Day for Harold on some American and British releases, is the fourth episode of the sixth season.


Percy is getting annoyed that Harold keeps on delivering the mail, even though it's his job, but Harold just says it's what friends are for. One morning, Percy is happily delivering the mail, but gets stuck at a broken signal. He could not go past it as it was stuck at danger, so Harold had to be called to take the mail for him. At first they load a few bags in his net, but Harold demands that all the mail should be loaded in so he isn't slow, like Percy. So they load all the mail into the net, and Harold begins to set off.

Just as Harold sets off with the mail, the signal is fixed. Everyone tries to call Harold back, but he does not hear them. But his net is far too heavy for him. While he is up in the air, his engine starts to rattle and the heavy mail causes him to lose control. The mail net gets stuck in a tree and Harold falls down into a haystack. Percy was shocked and puffs over to Harold and asks if he is alright. Harold tells Percy to get someone to pull him out of the haystack, which he does at once.

Back at Tidmouth Sheds, some of the engines were teasing Harold. The helicopter thanks Percy for helping him out of the haystack and Percy said that is what friends are for.




  • In a picture of Harold flying through Misty Valley, Toby and Henrietta are not present.
  • This is one of the few episodes of the sixth season re-narrated by Michael Brandon in the US and Michael Angelis in the UK with music composed by Robert Hartshorne and Ed Welch.
  • A reference to Thomas, Percy and the Post Train is made.


  • When Percy stops at the broken signal, the steam disappears and then reappears due to a film cut.
  • In some close-ups of Percy at the broken signal, the track beside him stops at the background.
  • When Harold crashes into the haystack, he is smiling and his rotor blades have disappeared.
  • Studio equipment and a crew member are visible in the reflection of James' carriage windows when he passes the camera.
  • In the shot of Percy beside the haystack, Harold looks as if he landed on the haystack.
  • In a close-up of Thomas, a camera's shadow can be seen on James.
  • In the shot of Percy passing the church, he has three mail cars. In all the shots after that, he has two.
  • When Percy arrives at the broken signal, his first mail truck shakes.


In Other Languages

Language Name Meaning
Norwegian En dårlig dag for helikopteret Harold A Bad Day for Harold the Helicopter
Japanese うんのわるいハロルド Unlucky Harold
Spanish Un Mal Día Para Harold el Helicóptero A Bad Day for Harold the Helicopter
Italian Una Giornata per l'elicottero Harold A Day for Harold the Helicopter
Chinese 哈罗德直升机糟糕的一天 Harold the Helicopter's Bad Day
Korean 우펀물 나르기 Our Animal Carrying Elephant
Russian Плохой день для вертолета Гарольда A Bad Day for Harold the Helicopter
Slovenian Helikopter Dolfe ima slab dan Helicopter Harold has a Bad Day
Czech Smolný den Harolda Harold's Unlucky Day
Hungarian Harold Rossz Napja Harold's Bad Day
Romanian O Zi Grea pentru Harold Tough Day for Harold
Slovak Zlý Deň pre Harolda Bad Day for Harold
Swedish Harold helikopter har en dålig dag Harold the Helicopter Has a Bad Day
Polish Zły Dzień Harolda Poor Harold's Day
Danish Harveys uheldige dag Harold's Unlucky Day
Dutch Een slechte dag voor Harold de Helikopter A Bad Day for Harold the Helicopter
Thai ฮาโลว์เครื่องบินตก Harold's Plane Crash

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