The Dengineers
The Dengineers is a program for youth on CBBC. Joe Tracini and Meryl Fernandes transform spaces to create amazing and unique dens in this makeover show. The program has been available since 2024. A total of 83 episodes have been broadcast, most recently in November 2025.
Last episode
The Dengineers
Ten-year-old Evie wants a den where she can spend quality time with her aunt, whose chronic rheumatoid arthritis means she is unable to get up the stairs to Evie’s room.
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11-year-old Holly has chronic actinic dermatitis, eczema caused by UV light, and needs a calm and relaxing den to help forget about it.
Nine-year-old Jothi had an illness as a baby that caused his legs to not grow properly, meaning he can't visit his favourite crazy golf course. Jothi needs a crazy golf den he can access all the time.
Eight-year-old Mei is half Japanese and loves learning more about Japan's culture. She doesn't get to visit as often as she would like so needs a den where she can celebrate her Japanese heritage.
Twelve-year-old Ashley needs an opera-themed den so he can sing to his heart's content. He has Tourette syndrome and singing helps him to overcome it.
Becca and her twin brother, Charlie, loved their new chinchillas. However, one of them was pregnant and gave birth and the only way to save them from being rehomed is to have a chinchilla den!
Eight-year-old Nathan loves learning all about the rainforest from his dad and wants a den so he can feel like he is deep in the Amazonian rainforest every day.
11-year-old Maariya was scared of going underwater but overcame her fear a few years ago. Now she loves swimming, snorkelling and all things underwater.
Ten-year-old Caitlin wants to become a conservationist when she's older. She is passionate about teaching other people how important our world is, and needs a den where she can research.
Twelve-year-old Luke is passionate about black history and wants people to realise how important it is.
Series 4
The presenters look back at more of our dens from previous series and catch up with our dengineers to see how the dens have changed their lives
The presenters look back at some of our dens from previous series and catch up with our dengineers to see how the dens have changed their lives
The presenters look back at all the amazing dens the team have built throughout the series and reminisce about the great kids, the tense surprises and the big reveals.
The Dengineers help St Hugh of Lincoln Primary School in Manchester create a new space for pupils with specific needs from an old double-decker bus.
Series 1
Mark and Lauren get the help of experts to design dream dens for children. Sienna really needs a new bedroom which can double up as a spy den, with lots of techy gadgets.
Series 4
Experts design dream dens for children. Campbell needs a cycling den where he can cycle all over the world without getting oil on his parents' sofa.
Experts design dream dens for children. Tali needs a magic den where she can practise her tricks in secret, without giving the game away.
Experts design dream dens for children. Archie needs a farm den where he can grow and harvest vegetables and look after his chickens.
Daisy loves sewing but has to pack everything away when it is dinner time. She needs a sewing den where she can create fabulous designs in peace.
Series 5, Episode 11 - Board Games Den
Expected on
Eight-year-old Matthew needs a den so he can teach his sister the board games he has grown to love.