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?

Roley nearly flattens a family of hedgehogs who are crossing the road Bob and the machines are working on. They need to find a permanent solution. How will hedgehogs get across a busy road?

Bob and the machines are laying pipes in a field. Meanwhile, Wendy tries to look for Pilchard and gets in a panic when she can't find her anywhere.

Bob and the machines are repairing a tunnel. Bob sends Muck inside carrying a load of bricks. The generator breaks down and the lights go out. Poor Muck is stuck inside the dark tunnel. What can make him move?

Bob and the machines have a major job of resurfacing the main road that must be done today. But poor Bob has a very bad cold. Wendy offers to take over the job. All goes well until Dizzy gets stuck in some wet cement. How will they get her out without letting Bob know?

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!

Bob and the machines are building a dance floor stage ready for a line-dancing contest that evening. Bob needs to go home for some final practice. But when his dancing partner Mavis sprains her ankle, will Bob find someone else to dance with in time?

Scoop and Travis decide to have a race to find out who is fastest? Bob prepares the racecourse. Spud wants Travis to win so he tries some sneaky sabotage to keep Scoop back!

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.