The cars plan a surprise evening to celebrate Big Chris being the longest serving member of Silver Hatch

In order to avoid being thrown out of Silver Hatch by Mr Carburettor, Flash must earn his stripes as a marshal

Hellie is jealous that the cars are able to race, and wishes he could race like them. But when he takes to the tracks with them, he is accused of cheating.

Big Chris becomes annoyed with Marsha, who keeps asking questions about how to be a mechanic. Then, when Big Chris falls asleep at work, disaster strikes

As Roary limbers up for a dangerous stunt, Silver Hatch race-track's speaker system falters. Narrated by Stirling Moss, with the voice of Peter Kay.

When Farmer Green holds a car boot sale, Big Chris sees a chance to get rid of some unwanted items.

When Farmer Green holds a car boot sale, Big Chris sees a chance to get rid of some unwanted items. Narrated by Stirling Moss, with the voice of Peter Kay.

Mr Carburettor is fed up with all the cars running amok, so he calls in reinforcements to restore order to his track.

When Flash invites people over for afternoon tea, he makes the mistake of neglecting to tell everyone to bring food!

Farmer Green talks to Maxi and Drifter about the days when a horse and cart was the only form of transport around.

FB is excited by the idea of hosting a slumber party at the workshop. But when night falls, he starts to get nervous.

Farmer Green asks Cici to perform one of her stunts in front of a big crowd. .

Big Chris is feeling ill so Marsha sends him to bed. However, Chris begins to enjoy the attention a little too much...

When Marsha hears the others describing her as bossy, she makes plans to leave Silver Hatch race track. What will the others do to make her stay?

Big Chris receives a mysterious parcel. The cars are intrigued to find out what is in it.

PC Pete has been called upon to investigate a case of some missing fuel. But where is Nick?

Molecom is grateful to Plugger for rescuing him after yet another of Flash's pranks, but Plugger is soon frustrated by Molecom's attempts to help.

Cici is fed up with never winning and decides not to take part in the race that day. Can Roary persuade her to change her mind?

Roary takes Loada on a jaunt to the beach... only to discover that sand and lorries don't mix too well!

PCs Pete and Nick are up at Silver Hatch giving the cars their road tests

Big Chris's mum is visiting Silver Hatch - as is Mamma Mia. Serious competition ensues as the mighty mums face off.

Tin Top is feeling homesick so Big Chris tries to cheer him up. But who is that pesky varmint causing trouble on the track?

Maxi is jealous of all of James's gadgets and the attention the other cars give him. He persuades Molecom to devise some gadgets for him.

Mr Carburettor has commissioned a bust of himself for Silver Hatch, but disaster strikes when it is dropped!

Breeze and Roary swap places for the day (and night). Roary soon discovers the beach is no place for a racing car to live