Mark and Lauren transform areas for children, along with a team of experts. They explore themes such as dance, spying and stealth, Bollywood, and libraries, in their quest for the best spaces for kids.
Ballroom dancer Harry is a huge fan of Strictly and wants a den full of glitz and glamour.
Bea and Stanley the sausage dog need a den where they can hang out together.
Nethuni and Abheetha want a den where they can work together to create new tricks.
History fan Hector loves all things Shakespeare and needs a space to enjoy his plays.
Angel from London is a top tap dancer who needs a space of her own to train properly.
Duncan is passionate about orangutans and wants a den where he can learn how to help them.
Zoe is mad about science and wants a den where she can do noisy and messy experiments!
Keir is a massive fan of rollercoasters and wants a den where he can design his own.
Avanaya wants a relaxing, Indian-themed den to escape her three cricket-loving brothers.
Goalkeeper and football fan Tristan wants a den to help him recover his match fitness.
Emily is crazy about crochet and needs a space where she can work on her woolly wonders!
Sea cadet Jonny wants a submarine den to celebrate his passion for naval history.
Joe and Meryl take a look back at some of the fun moments from the series.
Joe and Meryl take a look back at some of the amazing dens from the series.
Joe and Meryl present a masterclass on creating your own dream space.