The teams compete to construct a skyscraper and a metre-long bridge that will withstand a weighted dumper truck . This episode's guest is comedian Rob Beckett.
2: Episode 2
Nov 13, 2018
The seven teams do battle in a drop test to see which model gets smashed up the best. They also build a memorable scene from history. Joining the judges is comedian Paddy McGuinness.
3: Episode 3
Nov 20, 2018
The teams compete to build a hybrid land and sea animal and a life-size crazy golf feature. Comedian Chris Ramsey tees off as this episode's celebrity guest judge.
4: Episode 4
Nov 27, 2018
It's the semi-final. The teams create a bust of comedian Johnny Vegas. Can they capture the essence of Johnny in plastic bricks? They also build a life-size arcade game.
5: Episode 5
Dec 4, 2018
The four teams build a walking-talking robo-pet. There is also a Master Build using as many as half a million bricks. But who will be crowned the winner for 2018? With guest judge Sue Perkins.
6: Episode 6
Dec 11, 2018
Six young builders from previous shows team up with celebrities to do battle in a range of festive challenges, including Rob Beckett, Warwick Davis, Joel Dommett and Alice Perrin.
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