Joe and Lauren help build a den for kids. Eight-year-old Oscar lives in Scotland and wants an Australia den so he can remember his Aussie hometown. Show more

Joe and Lauren look back at all the amazing dens built throughout the series. They reminisce about the great kids, the tense surprises, and the big reveals. Show more

Strictly judge Bruno Tonioli swaps the dance floor for the classroom as he teaches an Italian lesson all about food. Show more

Celebrity chef Hugh Fearnley-Whittingstall delivers a science lesson about sustainability, single-use plastics and how we can all reduce, reuse and recycle more effectively. Show more

Emmerdale star James Moore gives a very special history lesson about disability. He picks out some key pioneers and important moments that have led to a more equal society. Show more

Neighbours star Alan Fletcher gives a geography lesson about Australia. He discusses the indigenous Australian culture, stunning landscapes and the country’s deadliest creatures. Show more

Inventor and engineer Colin Furze presents a fascinating introduction to the world of inventing. He demos some of his creations before giving advice on how to start inventing. Show more

Take a look back at a busy second term on Celebrity Supply Teacher and enjoy some stand-out moments from a staffroom of superstars. Show more

Ten-year-old Florence from Oxfordshire wants a cool hotel den so that she can relax, hang out with friends and be on holiday whenever she wants.

Amayah from Sheffield is a huge fan of the weather and dreams of becoming a forecaster. She wants a den where she can study the weather and create her very own forecasts.

Twelve-year-old Annabell loves the seaside but lives in Milton Keynes, miles from the coast. She would like her very own beach den where she can spend time with friends and relax. Show more

Twelve-year-old Amelia from Glasgow has family ties to Australia, the USA, China and Hong Kong, and she wants a den where she can celebrate her diverse international heritage. Show more

Duncan from Glasgow is passionate about protecting orangutans. He needs a den where he can learn more about these primates and how to help them, and share his passion with friends. Show more

Angel from London is a top tap dancer who needs a space of her own where she can train properly, store her costumes and display all of her medals. Show more

Zoe from Oxfordshire is mad about science and desperately wants a den where she can pursue her passions and carry out noisy, messy experiments whenever she wants! Show more

Emily is crazy about crochet, and her crafty creations are taking over the house. She needs a space where she can crochet, store all her woolly wonders and hang out with mates. Show more

Joe and Meryl take a look back at some of the fun moments and amazing dens from the series.