The award-winning documentary returns with an all-new cast of children, who are getting to grips with the classroom of the future. The programme aims to find out how tablets, robots and other gadgets affect how they play and what modern technology is doing to the brains and bodies of these digital natives. Gadget-obsessed Arthur gets the opportunity to meet a cutting-edge robot, while Iris, Na'Shae and Kiera are each given their own tablet to use. Will it have an impact on the girls' friendship?
The four-year-olds take their first steps towards independence, and learn about friendship
The children are joined by new faces, including Taylor, who tries to befriend the girls
This episode meets 12 five-year-olds. Alfie and George can't agree what the sun's made of.