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Jack Jumps In
Director(s)	Steve Asquith
Producer(s)	Phil Ferhle
Writer(s)	Phil Fehrle,; Jonathan Trueman,; and Abi Grant
Narrator	Michael Angelis (UK/US); Alec Baldwin (US)
Air date	August 17th, 2002
Previous episode	The Fogman
Next episode	A Friend in Need

"I'm Jack! I can load, and unload, and carry lots of things!"
"I can push and shunt!"
"And I can get you two chatterboxes off to the quarry!"

— Jack and Thomas bragging - until Miss Jenny stops them

Jack Jumps In is the seventh episode of the sixth season.

Plot

Thomas takes an eager front-loader named Jack to help the Pack clear ground for railway lines. Jack quickly gets accustomed to his work, but when he foolishly tries to take some rocks up a hill, he loses his balance and rolls down the hill. Jack is upset and Miss Jenny is cross, but Isobella, Alfie, and Thomas are sympathetic.

Characters

Locations

Cronk

Trivia

This is the first episode directed by Steve Asquith.
Thomas' large scale model is used.
When Max does a 180 turn, a turntable is used to spin him.
The Italian title is "Jack Arrives".
Alec Baldwin's narration has only been broadcast on Sprout.

Goofs

Thomas leaves with the wellwagon after delivering Jack, but in the close-up of Jack the wellwagon is still behind him.
Studio equipment can be seen in the top-right corner when the narrator says "Byron the bulldozer was shoving rock and rubble with his giant blade".
When the foreman introduces himself to Jack he has a moustache, red hair and a hat. When he says "Oliver, move this rock!" he has no moustache and a hard hat.
Oliver should not have moved his scoop while moving at such a speed when near workers.
How would Jack know which machines Byron and Alfie were?
When Jack introduces himself to Alfie, Alfie's front-left tire is flat.
When Max arrives he runs over some sort of platform.
In some shots a wire is visible under Alfie's hydraulic arm.
Before Jack barrel-rolls down the hill, his two left wheels change colour.
None of the Pack have drivers.
When Miss Jenny says "We'll see if you can do better tomorrow", Oliver is smiling even though Jack is in trouble.