The cars are caged in on the long flight to Australia. Harry is pleased when Bruno and Maddy want to be his new best friends. But is friendship all they're after? Soon Harry's being hassled to play a dangerous joke, and it's computerised chaos on the track. As Mac struggles to help his friends, Lauren must burn down to scary Race Control to set things right -but she's helped by some special Aussie wildlife. . .
The temperature's soaring as the cars gather for the big race in Malaysia. In fact it's so hot, a lot of the cars are skipping the safety checks and coming close to meltdown - even Mac & Lauren are feeling the heat Only Christian Crane and Charlie Chopper can save the day and cool down the cars - but after all the rude names Bruno and Maddy have hurled their way, they're way down in the dumps...
Mac & Lauren and the gang are in the USA, gearing up for the Indianaoplis Grand Prix. But what they don't know is that a wicked plan is afoot to steal the officials' flags - which means Bruno and Maddy can cheat all they like and never be disqualified! Join Mac & Lauren as they chase down the cheats and flag up the fun!
Storm clouds are gathering over the Grand Prix at Silverstone - so why do Sammy Satellite and Wendy Wind Monitor insist it's going to be a beautiful day? Mac & Lauren must cope with Bruno's cheating, Franco's preening, wild and windy weather and animals on the track, but they're determined to make a splash - whatever the weather!
Mac and Lauren is the brianchild of Lisa Dennis, the wife of McLaren supremo Ron Dennis. With her unique insight into the world of Formula One racing she has created a new world for children with a cast of heros and villains and stories packed with fast-paced fun and racing rivalries. There's tension in the air at Japan's Grand Prix in Suzuka with the World Championship at stake. Racing rivalries between Mac & Lauren's friends are at fever pitch, Maddy's out to make sure that Marco and Franco fall out, and Bruno's bullying a little funfair go-kart into helping him cheat. As Mac & Lauren fight for fair play, the scene is set for a scorching final lap...
Mac & Lauren and the gang can't wait to race in the Grand Prix at Monaco - whoever wins gets to meet the Prince at a special party! Roxy's extra-excited because she's getting a new paint job from her team's new sponsor, just in time for the race. But the end result is not what she expected, and soon she's speeding round under a sheet! Can Mac and Lauren show her that it's what's inside that counts?