Big Chris tries to fix Drifter's broken neon light.

The racing car goes off for the day without telling anyone where he's heading, causing Big Chris to panic.

Mr Carburretor is in a state of panic as his mother is coming to visit.

Big Chris is annoyed when his karaoke machine breaks down just when he needs to rehearse for an important competition.

Plugger realises he cannot do everything by himself - sometimes he needs his friends.

Maxi is furious when Roary is offered his spare tyre warmers overnight. Meanwhile, there are some strange noises coming from the workshop.

Roary overhears Big Chris talking to Marsha and thinks that Drifter is about to be sent to the scrapheap. He and his friends pull together to prove to Big Chris that Drifter is a car worth keeping.

Big Chris has taken delivery of some specially filtered rainwater to make the cars run more smoothly, but he only has enough for one car. Who can impress him the most and earn the precious water?

Chaos reigns at Silver Hatch. Mr Carburettor is staying with Big Chris and insists on getting up very early. Meanwhile, over at the farm, Farmer Green is having problems getting up at all! Will Roary come up with an ingenious solution to help everybody?

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Flash is fed up with the constant engine noises and decides to take matters into his own hands. Will Big Chris and Marsha realise what is happening before someone gets hurt?

There is a fuel crisis at Silver Hatch. Can solar-powered Cici save the day?

Big Chris has been invited to appear on a TV karaoke show. Will the success go to his head?

Roary is nervous about racing again after suffering a crash. Big Chris helps him get over his fears.

Roary has an argument with Cici and races back to the pits without her - just as a storm brews on the horizon.

Rusty is fed up of sitting in one place, so Roary and the other cars plan a special surprise for him. Will it work?

A water shortage at Silver Hatch means there is no water left to run the cars or even to clean them

When CiCi is chosen as Maxi's training partner, Roary becomes jealous of their new friendship.