Jason and Suzi record a movie; Jon tries out the sleek new MacBook Air; and Jason's water-rocket car returns.

The presenters hit the countryside, heading for the hills with a phone that claims to be the toughest in the world. They also put the latest generation of hand-held GPS devices through their paces, see how a range of tents stand up to the elements and race around in some of the coolest off-road kit available. They also test the three main PVR services available and Jason finds out what is on offer at the London Toy Fair.

Suzi and Jason shop 'til they drop to see who can buy the most gadgets for a grand. Jon Bentley hits the Alps with champion skier Graham Bell to test some hi-tech skiing jackets that are wired for MP3 players and mobile phones. The team also examine whether the whole gadget revolution has passed insurance companies by, and take a look at the top five laptop bags available on the market.

Jason and Suzi are challenged to design a gadget; Jon spends the day with entrepreneur and businessman James Caan, testing the newest BlackBerries and other PDA devices; Jason goes to Europe's largest technology show, CeBIT, and Suzi tests the most popular camera phones on the market.

Jason and Suzi put the very latest robotic mops and vacuum cleaners to the test and whip up a meal using the latest cooking gadgets; Trevor Nelson joins Jon to test the newest iPod Nano; Jason hits the slopes riding a PowerBoard and Suzi investigates the very best camera phones on the market.

Jason and Suzi test new mobile phones, night-vision binoculars and satellite navigation systems whilst on the move; Jon investigates the best TVs on the market; Jason finds out about the new sporting craze of dirt surfing; and Suzi tracks down the best gizmos for office warfare.

Suzi and Jason have a speed race on the latest high-end road-racing bikes and take to the water to try out some motorised aquatic scooters. Jason visits Canfield University to try out a full-sized remote control Hummer.

Suzi Perry and Jason Bradbury test the toughest walking boots on the market and play the video game Rainbow Six: Vegas 2 using the latest wireless laser gun technology. Jon Bentley tries out universal remote controls, and the top five gadget alarm clocks and mini laser tanks come under scrutiny.

The presenters turn their attention to music, testing a new music-based computer game, the latest in high-tech headphones and some expensive speakers. Elsewhere, Jon examines a range of domestic weather stations; and Jason looks at some of the best computer games on the market.

Suzi Perry and Jason Bradbury compare green gadgets with their less environmentally friendly equivalents, while Jon Bentley tests the best pseudo-surround sound speaker systems on the market with the help of movie reviewer James King. Plus, a list of the top five coffee machines. Last in series, a new run begins next week.