Bob the Builder - Season 21 (2018)

When Muck feels bad for collapsing Bob's first build - his old shed, Scoop tells him the story of how the young Bob built it and all the mistakes he made along the way.

Dizzy is fascinated by the way that the new traffic lights direct the movement of cars. But when she tries directing the team instead of doing her job, all the traffic-light poles fall down, causing the biggest traffic jam in Spring City history.

After Scoop meets a bobcat cub who has become separated from his family by a busy road, Bob and the team build a wildlife corridor so that animals can cross safely.

The team are building a new spiral ramp for the drive to the bird-watchers' park, but Scoop creates chaos by trying it out before it is completed.

While the team are building an aviary at the zoo, Scoop mistakes a parrot's voice for Bob's and releases the whole flock. Can Bob figure out a way to lure them all back inside?

Saffi wants to save the elephant ride when the school playground has to be downsized, so Lofty hides it on the roof - but doesn't tell Bob...

Lofty and Leo's overcompetitiveness leads to them accidentally destroying the obstacle training course for rescue dogs they are meant to be building.

Lofty is so excited that Leo is returning from his holiday that he steps onto the newly laid runway at the airport and gets stuck in the cement, just as the plane is ready to land.

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Scoop finds himself zooming around the streets on a jet engine, after he messes around at the scientific test facility that the team are building for Mei Moon.

Two-Tonne's desperation to help a pregnant elephant leads him to make a decision that causes a bridge to collapse - and the elephant to escape!

When Lofty is too embarrassed to admit that he doesn't understand Bob's instructions for the new Spring City canal build, he ends up denting Mr Bentley's boat.

Scoop and Ace are put in charge of decorating two barns for Farmer Pickles. Ace's is very impressive, but Scoop will stop at nothing until his barn is the best...

While Bob and the team are building an aqueduct between Spring City and Fixham, some ducklings mistake Muck for their real mother.

Lofty is keen to impress newcomer Cherry and changes his behaviour, acting on Two-Tonne's advice. But his plans are ruined when Whizzer shows up on the build...

Scoop tries to show up Norm, a new mega-machine driller, but causes a cave-in on a tunnel build, trapping himself and Muck underground.

A famous author is opening a new library. When her latest crime novel goes missing, Rocky and Leo try to solve the mystery like the detectives in her books.

Ace's mega-machine-sized ego causes big problems for the demolition and rebuild of Roland's rotting grocery store - and a movie director gets it all on film!

Eager to prove he's not the messiest machine on the team, Scoop ruins a demolition job - but they all learn that old things can often be used again.

Wendy is putting on an opera featuring vehicles and people. but Muck's loud singing brings down the ceiling of the old opera house.

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