Air date: 2017-05-21

Runtime: 47 min

The first round of the competition features a battle of the dragons, as a cabin built to resemble a dragon's eye faces off against a dragon's claw.

Air date: 2017-05-28

Runtime: 47 min

This time the two pop-up hotel cabins battling it out are a luxury design inspired by a Welsh coal pit and a modernist unit made of slate.

Air date: 2017-06-04

Runtime: 47 min

The cabins this time include a laser-cut project inspired by the legend of King Arthur, a double-decker tepee, and a luxury getaway on a sea fort.

Air date: 2017-06-11

Runtime: 47 min

The competition concludes as two cabins fight for a place in the final. This week an ambitious treehouse cabin takes on a tin-clad cabin with a trick up its sleeve.