Lindsey takes part in a special birthday concert to celebrate 60 years of Blue Peter and Paddington BearSource: CBBC
Series 4: 3. Extreme Electricity
Radzi puts science to the test when he joins a unique performance group who harness the power of four million volts of electricity.
Series 4: 5. Lindsey's Red Arrows Adventure
Lindsey takes to the skies with the legendary Red Arrows to find out what it takes to be a pilot in the elite display team.
Series 3: 17. Epic Commando Challenge
Lindsey and Radzi train with Royal Marines commandos and face a gruelling assault course and an infamous mud run.
Series 3: 12. Lindsey Swims With Sharks
Lindsey comes face to face with her biggest fear when she dives with giant sharks.
Series 3: 15. Lindsey's Irish Dance Challenge
Lindsey travels to Dublin to perform on stage with the world-famous Riverdance team.
Series 3: 20. Visually Impaired Cricket
Lindsey meets a visually impaired cricket team who put her to the test!
Series 3: 21. Lindsey And The Rocket Car
Lindsey gets to see what could be the fastest car in history in action.
Series 3: 8. Lindsey's Beard Of Bees
Lindsey tries an ancient challenge when she attempts to wear a beard of bees.
Series 3: 16. Lindsey's Rugby League Showdown
Lindsey takes on a head-to-head Rugby League challenge in front of a packed crowd at Wembley Stadium.
Series 4: 7. Radzi And The Tank
Radzi heads to Dorset to see if he's got what it takes to be in charge of a tank.
Series 4: 4. Radzi And The Commonwealth Games
Radzi takes part in a very unique handover ceremony for the 2022 Commonwealth Games.
Series 3: 22. Radzi And The Supersized Screen
When the giant screen at the top of an iconic London tower needs changing, Radzi lends a hand.
Series 4: 24. Lindsey And The Gritter
Lindsey discovers how our roads are kept safe during winter weather.
Series 3: 23. Lindsey's Lifeboat Adventure
Lindsey gets to experience life onboard an RNLI lifeboat.
Series 4: Paddington Bear
Lindsey takes part in a special birthday concert to celebrate 60 years of Blue Peter and Paddington Bear
Series 4: 1. Vote 100
Lindsey visits the Houses of Parliament to uncover the story of equal voting rights.
Series 4: Wheelchair Basketball
Wheelchair Basketball a sport that tests Lindsey's and Radzi's coordination to another level when they go head to head at the UK's biggest tourmanment in Sheffield.
Series 4: 14. Netball
Radzi takes his love of sport another step further and tries Netball for the first time
Series 3: 24. Radzi's Indoor Surfing Challenge
Radzi learns the art of indoor surfing and takes part in a display routine with two pro-surfers.