Bob and the machines are painting line-markings on the road. Bob is called away to repair Mrs Potts' garden fence. Spud then sees a way to make mischief! He attaches the line-marking machine to Travis. Travis then speeds off and doesn't know he is leaving a mess. Who will stop him before he paints the whole town white?

Bob attempts to take his day off to photograph the rare Blue-Crested Warbler. However, the computer breaks down and Wendy has to call him to take care of some urgent jobs. Will Bob get his chance to photograph the Blue-Crested Warbler?

Bob brings Scoop and Muck to the yard, both machines covered in mud. Bob decides to give them a wash down. But Muck doesn't want to be washed down - he loves being mucky! Just as well when Travis gets stuck in the mud and Bob, Muck and Dizzy have to go and rescue him. Later on Muck, Dizzy and Spud have a mud fight.

Wendy and the machines decide to pretend to have forgotten Bob's birthday and then surprise him with a party. Wendy goes home to make a cake, and then Muck and Dizzy decide to make a concrete cake for Bob to keep forever.

Bob and the team are finishing the new Milk Shake Bar, and Scoop is inspired when he sees Chef Tattie experimenting with all kinds of ingredients. Scoop's assignment is to mix concrete to complete the parking lot, and he decides he wants to experiment too. Bob and Wendy are having fun tasting milkshakes, so they aren't aware that Scoop is mixing all kinds of crazy materials into the concrete in an effort to make the parking lot look fun. The next morning, Scoop enthusiastically rolls into the parking lot, only to notice that the concrete isn't dry. Now they have to start all over! Bob gives Scoop the "proper" colorful materials to mix into the concrete. Soon it is dry, and looks just as terrific as Chef Tattie's Milk Shake Bar.

Bob and the team are finishing putting in the lift (elevator in the US version) for a new skyscraper in Spring City. Muck is curious what is a lift and Bob explains people would get tired climbing stairs in tall buildings so they have little carriages called lifts which take people up to the top of the building. Mayor Madison and Mr Bentley arrive to take a picture for tomorrow's picture on the newspaper but the team haven't put the lift in so they plan to come back at 4 o'clock. Scoop, Muck and Lofty load Tiny's cage to lift for Bob, Wendy and Leo. Scoop still feels jealous and plans to ride in the carriage. Muck asks him questions while Scoop goes up and Scoop replies that he can see Spring City and its a long way down. When Bob, Wendy and Leo come down and look up. Bob tells Tiny to stop and he does but one of the chains holding the cage snaps and Scoop finds himself in a part of the skyscraper. Bob has a plan. He tells Wendy to get the welding equipment and Leo says he'll get the welding masks and he and Wendy get the said stuff. Bob and Wendy then weld the chain back together and Bob rides up in the cage to get Scoop. Scoop is frightened and Won't come to the carriage to Bob plans to get him but Scoop says it's dangerous so he comes to him, but Scoop decides to drive to him.. Bob and Scoop arrive down. Leo and Bob then finish the lift while Wendy does the electricity. Mayor Madison arrive for the picture. Mayor Madison and Mr Bentley must wear hard hats while being at the top. Gull lands on Mayor Madison's hat and she asks Mr Bentley to help but he keeps taking pictures.

Bob and Lofty are going to construct the museum's new pyramid exhibition building. Lofty is excited that he gets to use his new claw attachment. Upon arriving at the site, they discover that Tiny has already built most of the pyramid for an archaeologist, Anish Bose, who wants to put his exhibits inside the central chamber. Lofty wants to finish up the work by himself but places a stone at the entrance of the pyramid by mistake, trapping Bob, Wendy, and Anish inside! Lofty realizes that his eagerness to do too much on his own caused the problem, and that working as a team with Tiny is much better.

Bob finds a bit of pipe that he thinks makes a noise like a trumpet and so he fashions it into a bugle. While learning to play it, he doesn't realise that it makes an awful noise!