Where to watch Bob the Builder Season 21
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Availability checked 16 November 2026.
Bob the Builder Season 21 episodes
S21 E01
A-mazing Maze
10 mins · Tue, 2 Jan 2018
Bob assigns Leo to oversee the construction of a maze on the grounds of Fixham Castle. Scoops encourages Leo to add mirrors to it.
S21 E02
Grand Marshal Bob
10 mins · Wed, 3 Jan 2018
Mayor Madison names Bob as the Grand Marshal of the annual town parade. Scoop, Muck, and Lofty make plans to create the best float.
S21 E03
Fess Up or Mess Up
10 mins · Thu, 4 Jan 2018
Leo builds an impressive robotic vehicle for the robo-racing competition. Muck secretly takes Whizzer on a build.
S21 E04
Bob's First Build
10 mins · Fri, 5 Jan 2018
Muck feels awful when he accidentally causes the collapse of Bob's old shed. He tries to remember how he helped Bob build it in the first place.
S21 E05
Grid Block
10 mins · Mon, 8 Jan 2018
Inspired by the new traffic lights that direct the cars, she tries to direct the team instead of doing her job properly.
S21 E06
Bobcat Bridge
10 mins · Tue, 9 Jan 2018
Bob and the team build a wide life corridor after finding a bobcat cub who has separated from his family. However, Scoop is impatient about the job.
S21 E07
Speedway Scoop
10 mins · Wed, 10 Jan 2018
Bob and the team build a spiral ramp to shorten the drive to the park. Scoop is impatient about trying it first.
S21 E08
Parrot Talk
10 mins · Thu, 11 Jan 2018
Bob and the team are building an aviary at the zoo. Scoop overhears one of the birds asking Bob to open the cage.
S21 E09
Lofty's Playground Problem
10 mins · Fri, 12 Jan 2018
The team is adding a wing to the school and downsizing the playground. Saffi asks Lofty to save the elephant ride.
S21 E10
Dog Disaster
10 mins · Mon, 15 Jan 2018
While Bob is searching for Cooper, Lofty and Leo accidentally destroy the training course they're suppose to be working on.
S21 E11
Can't Runaway Runway
10 mins · Tue, 16 Jan 2018
Excited to see Leo returning from his holiday, Lofty accidentally gets stuck in the cement of the newly laid airport runway.
S21 E12
Scoop's Big Oops
10 mins · Wed, 17 Jan 2018
Scoop gets jealous when Ace's attention keeps going to a newbie who is making lots of mistakes. He decides to make mistakes too.
S21 E13
Floating Away
10 mins · Thu, 18 Jan 2018
After falling asleep, Muck ends up on a part of a floating bridge the team is building. It's heading straight for the falls.
S21 E14
Jet Powered Scoop
10 mins · Fri, 19 Jan 2018
Bob and his team are constructing a new experimental facility for scientist Mei Ling. Scoop decides to test her inventions.
S21 E15
A Heavy Load
10 mins · Mon, 22 Jan 2018
The team is assigned to bring an elephant expecting a baby to her new habitat. However, Two-Tonne proposes an alternative route that turns out troublesome.
S21 E16
Canal Chaos
10 mins · Tue, 23 Jan 2018
Lofty is confused about the instructions to build the Spring City canal, but he's too embarrassed to admit it. He accidentally dents Mr Bentley's boat.
S21 E17
Barn Building Bedlam
10 mins · Wed, 24 Jan 2018
Scoop and Ace are put in charge of the decorating job for Farmer Pickles' two barns. Scoop's competitive nature causes trouble.
S21 E18
Aqua Ducks
10 mins · Thu, 25 Jan 2018
Bob and the team are building an aqueduct build between Spring City and Fixham. Their project endangers a duckling nest.
S21 E19
Talking Loud and Clear
10 mins · Fri, 26 Jan 2018
Lofty is hoping to impress the newcomer Cherry. Two-Tonne advises him to change his behaviour, but it goes horribly wrong.
S21 E20
Tunnel Trouble
10 mins · Mon, 19 Mar 2018
Scoop tries to show up the new mega-machine driller, but his efforts causes a cave-in on a tunnel build. Now Scoop and Muck are trapped underground.
S21 E21
Bob's Detective Squad
10 mins · Tue, 20 Mar 2018
When a new library opens up, a famous author gives Rocky her latest book to look after. However, he is afraid to own up after losing it.
S21 E22
Ace's Dynamite Movie
10 mins · Wed, 21 Mar 2018
Ace accidentally sets off the dynamite for a demolition job. A film director captures the explosion on camera.
S21 E23
Bridge Over Trouble
10 mins · Thu, 22 Mar 2018
Scoop accidentally causes an explosion during the demolition of the Central Railroad bridge. The team realises old materials can make new things.
S21 E24
What's Opera, Muck?
10 mins · Fri, 23 Mar 2018
Wendy puts on an opera show featuring both vehicles and people. However, Muck's performance for his part brings the house down.
S21 E25
New Year's Spectacular Show
10 mins
While the team are building a river stage for that night's New Year's Eve extravaganza, an over-excited Scoop nearly blows up all the fireworks.
S21 E26
Snowman Scare
10 mins · Sat, 1 Dec 2018
Rocky thinks an Abominable Snowman is behind the collapse of the town hall. He gets spooked thinking about one roaming around the city.