In the first show of the new series, Chris Evans takes the Dodge Viper ACR to the home of Topballoon in Nevada, to battle Sabine Schmitz in a Chevrolet Corvette Z06. Matt LeBlanc tackles wildest Morocco in Somerset's finest off-roader, the Ariel Nomad.

Back on British soil, Evans and LeBlanc take a rather soggy road trip to Blackpool in a pair of roofless Reliant three-wheelers, whereupon they are tasked with defending the honour of their nations in a series of gruelling UK-versus-USA challenges.

Back in the studio, this week's celebrity guests are Social Network star Jesse Eisenberg and Gordon Ramsay.

Join Chris Evans, Matt LeBlanc and the Stig as the world's most popular motoring show returns.

This week, Matt, Chris and Eddie Jordan take music stars Sharleen Spiteri, Seasick Steve and Tinie Tempah on the ultimate SUV test in wildest South Africa.

Back at the track, Formula One superstar Jenson Button gives Chris a ride in the McLaren 675LT, while actor Damian Lewis is this week's Star in a Rallycross Car.

The latest instalment of the world's biggest motoring show sees Chris Evans struggling to keep his lunch down as he rides with Sabine Schmitz in the new Audi R8.

Elsewhere, Rory Reid tests the new Ford Focus RS, Chris Harris attempts to tame Ferrari's savage F12 TDF and Matt LeBlanc gets a whistle-stop tour of London in Ken Block's fearsome 'Hoonicorn'.

Boxer Anthony Joshua and comedian Kevin Hart are this week's Stars in a Rally Cross Car.

This series of the world's biggest motoring show continues as Chris Evans, Matt LeBlanc and Sabine Schmitz buy cheap second-hand cars and head for Venice. The aim? To prove road travel can be more luxurious than taking the train.

Elsewhere, Rory Reid heads to New York to sample the all-electric Tesla Model X, while Chris Harris dons his race helmet to drive the most powerful Aston Martin of all time - the fearsome Vulcan. Bear Grylls and Brian Cox are this week's Stars in a Rally Cross Car.

This week, Chris Harris is with the new BMW M2, Rory Reid retraces a historic journey against the clock, delivering the Jaguar F-type SVR to the Geneva Motor Show, and Chris Evans and Matt Le Blanc head to Dingle to see whether the new Rolls Royce Dawn can out-class its ancestor, a 1976 Cornishe.

The Stars going head to head in the Rallycross Car are Absolutely Fabulous star Jennifer Saunders and Great British Bake Off's Paul Hollywood.

Matt finds out more about the Porsche 911 R whilst Chris Harris puts Honda's reimagined NSX through its paces. Patrick Dempsey and Greg Davies are tonight's Stars in a Rallycross Car.