Lindsey comes face to face with her biggest fear when she dives with giant sharks.

Blue Peter viewers have their say on some of the recent highlights from the show.

Lindsey and Radzi train with Royal Marines commandos and face a gruelling assault course and an infamous mud run.

Lindsey travels to Dublin to perform on stage with the world-famous Riverdance team.

Lindsey takes on a head-to-head Rugby League challenge in front of a packed crowd at Wembley Stadium.

Radzi helps harvest peas in Lincolnshire and discovers why it is a race against time to keep them fresh.

The presenters help move the Blue Peter locomotive to its new home and get hands on with the restoration work.

Lindsey gets to see what could be the fastest car in history in action.

Lindsey gets to experience life onboard an RNLI lifeboat.

Lindsey meets a visually impaired cricket team who put her to the test!

When the giant screen at the top of an iconic London tower needs changing, Radzi lends a hand.

Lindsey learns about the sport of dragon boat racing and takes part in a race at the National Cup Final in Nottingham.

Radzi learns the art of indoor surfing and takes part in a display routine with two pro-surfers.

Barney visits the Royal Albert Hall to help clean some of the acoustic mushrooms that sit on the ceiling. Show more

Lindsey tries her hand at American football with a girls' team in Leeds and discovers why the sport is growing around the world.

Lindsey takes on a unique Blue Peter challenge that combines cheesemaking and caving.

Barney travels to Cornwall to take part in the World Pasty Championships and gets tips from some young experts.

Barney, Lindsey and Radzi are joined by performance group Flambe Circus for an incredible fire display.

Radzi takes part in the world-famous Tetbury Woolsack Race in Gloucestershire.

Lindsey tries an ancient challenge when she attempts to wear a beard of bees.