Libby Purves is joined by Television reporter and writer Tom Mangold. Plus she talks to death row survivor Nick Yarris and 18-year-old rally car driver Catie Munnings. Show more

Preschool series. Catie tests out three amazing machines that are all made to race: a F3 racing car, some amazing dragsters and a super-fast F1 powerboat. Show more

Preschool series. Catie tests out three amazing machines that all have very big wheels: a monster truck, a monowheel and a dump truck. Show more

Preschool series. Catie tests out three amazing machines that all help people build things: a bulldozer, an incredible tunnel-boring machine and a digger. Show more

Preschool series. Catie tests out three amazing machines that run on rails: a steam train, an amazing Maglev train and a tram. Show more

Preschool series. Catie tests out three amazing machines that all have sails: a tall ship, a racing catamaran and a land yacht. Show more

Preschool series. Catie tests out three amazing machines that are used on farms: a tractor, an asparagus harvester and a combine harvester. Show more

Preschool series. Catie tests out three amazing off-road machines: a quad bike, a space exploration vehicle and a tank! Show more

Preschool series. Catie tests out three amazing trucks: an articulated lorry, a road train and a front-loading bin lorry! Show more

Preschool series. Catie tests out three amazing machines that travel move on snow: a snowmobile, snow blowers and a snow groomer. Show more

Preschool series. Catie tests out three amazing machines that are all really tall: a cherry picker, skyscraper-building tower cranes and a crawler crane. Show more

Preschool series. Catie heads to an airfield to check out three amazing machines that fly: a jet plane, a space shuttle and a helicopter. Show more

Preschool series. Catie tests out three amazing machines that have three wheels: a motor trike, the fastest electric motorbike in the world and a tiny car. Show more

Preschool series. Catie tests out three amazing machines that all belong on water: a water scooter, a huge cruise ship and a speedy yacht. Show more

Preschool series. Catie tests out three amazing machines that are all super-fancy: a supercar, a superyacht and a stretch limousine. Show more

Preschool series. Catie tests out three amazing machines that travel have propellers: a microlight, one of the largest planes in the world and a racing boat. Show more

Preschool series. Catie looks at machines that go on both land and water: a hovercraft, a machine that can go on land, sea and ice, and an amphibious tank. Show more

Preschool series. Catie reveals her favourite machines from the series. Show more

Preschool series. Catie shows off three amazing machines that are all made to lift things: a straddle carrier, a ship crane, and a forklift truck. Show more

Preschool series. Catie shows off three amazing emergency machines: a fire engine, hover bikes and a police car. Show more