Challenges, celebrities, makes and adventures. Lindsey hopes to pass her football referee test with flying colours, but will her limited knowledge of the game stand in the way? Show more

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. Lindsey Russell takes on one of her biggest challenges to date - the London Marathon. Show more

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. Lindsey and Radzi go head to head in a white-water rafting time trial challenge. But who will win?

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. It is Barney versus Lindsey in this high-speed challenge as they hit the go-karting track. Show more

Radzi puts his skates on and attempts to join the cast of Disney on Ice. But can he stay standing long enough to make his curtain call?

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. Radzi will need nerves of steel if he can conquer the ultimate diving test - the 10-metre board.

Radzi heads to an off-shore wind farm. Towering out of the sea at 130m, he finds out how a turbine works and tests his head for heights. Show more

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. Blue Peter viewer Sandy and his winning mascot walk out onto the Wembley pitch for the FA Cup Final. Show more

Challenges, celebrities, makes and adventures with Barney, Lindsey and Radzi. Radzi swallows a pill that transmits live video footage of his stomach. Show more

Challenges, celebrities, makes and adventures. Lindsey and Radzi hit the beach to take on a high-speed Blokarting challenge.

Challenges, celebrities, makes and adventures. Greg Foot explores the science of extreme bike skills and a BMX rider does a backflip over Radzi and Lindsey. Show more

Challenges, celebrities, makes and adventures. Lindsey takes on the trapeze - she must perform a series of daring moves at a festival in Devon. Show more

Challenges, celebrities, makes and adventures. Radzi attempts to break the world record for the most whoopee cushions sat on in 60 seconds. Show more

Challenges, celebrities, makes and adventures. Lindsey is at Chester Zoo to help with a pregnant okapi, a close relative of the giraffe. Show more

Challenges, celebrities, makes and adventures. Lindsey is at Chester Zoo to help with a pregnant okapi, a close relative of the giraffe. Show more

Challenges, celebrities, makes and adventures. Barney and Radzi are at Goodwood race track to race flat-packed electric kit cars. Show more

Challenges, celebrities, makes and adventures. Lindsey takes on the World Championship canoe course, which has over 300m of man-made rapids. Show more

Challenges, celebrities, makes and adventures. Greg Foot joins Lindsey and Radzi in the studio and demonstrates the science of sound. Show more

Challenges, celebrities, makes and adventures. Barney helps unearth the mysteries of Bedlam dig - the ancient burial site discovered below London's streets. Show more

Challenges, celebrities, makes and adventures. In this bite-sized Blue Peter adventure, Barney and Radzi take on the challenge of electric bikes. Show more