Ed Petrie and his friends compete in some of Europe's most unusual and amazing challenges.
Gavin brings round his new pet, Spider, and Ricky is terrified.
7/20 With the help of Belle, her hearing neuron, Nina investigates why beavers build dams. (R)
3/20 Andy travels back in time 106 million years, to the time of leaellynasaura. (R)
9/20 The team celebrate being different and being individual.
Tha clann air a bhith a' rannsachadh sgeulachdan cogaidh nan teaghlaichean aca. (R)
BBC Radio nan Gàidheal
The doctors reveal the hidden muscle that makes you breathe. (R)
Thomas and Vanessa attempt to go from being on report to back on task. (R)
4/6 Following three disabled children who take up martial arts to help improve their movement. (R)
Newly arrived Eesa tries to settle in, despite not speaking a word of English. (R)
The Year 7 girls form their own football team, and the hunt is on for a captain. (R)
Taylor Jay and Charlie investigate what the headteacher does for the school website. (R)
How can Izaak learn to cope better with his emotions and settle down? (R)
Carrie Fletcher teaches the children about the importance of stage presence. (R)