S4E1 - Australia Den
Eight-year-old Oscar lives in Scotland and wants an Australia den so he can remember his Aussie hometown.
Nov. 3, 2018, midnight
S4E2 - Queen Victoria Den
Eleven-year-old Amelie wants a Queen Victoria den where she can pass on her love of history to her friends.
Nov. 4, 2018, midnight
S4E3 - Army Coding Den
Eleven-year-old Yusuf dreams of being in the army and hopes to one day to use his love of computer coding to become an army intelligence officer.
Nov. 10, 2018, midnight
S4E4 - Sweetie Den
Cara, who has a form of dwarfism, has a sweet tooth and loves to dance. She needs a Sweetie Den where everything is the right height for her and she can disco dance!
Nov. 11, 2018, midnight
S4E5 - Politics Den
Jilan, 12, has a passion for politics and wants to be prime minister one day. She needs a Politics Den where she can plan her campaigns in peace and quiet!
Nov. 17, 2018, midnight
S4E6 - Cricket Den
Rhodri can't go to his local cricket club as often as he'd like. Rhodri needs a den where he can practice cricket whenever he likes.
Nov. 18, 2018, midnight
S4E7 - Sewing Den
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.
Nov. 24, 2018, midnight
S4E8 - Farm Den
Archie needs a farm den where he can grow and harvest vegetables and look after his chickens.
Nov. 25, 2018, midnight
S4E9 - Magic Den
Tali needs a magic den where she can practise her tricks in secret, without giving the game away.
Dec. 1, 2018, midnight
S4E10 - Cycling Den
Campbell needs a cycling den where he can cycle all over the world without getting oil on his parents' sofa.
Dec. 2, 2018, midnight
S4E11 - Community Den
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.
Dec. 8, 2018, midnight
S4E12 - Highlights
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.
Dec. 9, 2018, midnight
S4E13 - Revisits One
Lauren and Joe revisit the eco, Scottish castle, Turkish and sport dens.
Dec. 15, 2018, midnight
S4E14 - Revisits Two
Lauren and Joe revisit the observatory, gingerbread house, sensory and community dens.
Dec. 16, 2018, midnight