As the battle of clay begins, the hopefuls take on a salad set challenge and make identical sangria jugs that must survive the bucket of doom.

The potters create a statement pair of bookends and face some surprise brickmaking.

The potters make a puzzle jug and face a surprise blindfolded second challenge.

It's Raku Week! The potters make animal sculptures and guest judge Nick Mackman sets a sculpting spot test.

The remaining potters create holiday souvenir sets inspired by seaside towns, and candlestick holders.

The remaining potters make terracotta tagines, and guest judge Gabriel Nichols throws down a big challenge.

The remaining potters create floral posies and vases, and take on a surprise embellishing challenge.

The potters make body part pots and sculptures of their bodies in motion, fired in brick kilns that they build themselves.

It's the semi-final and the potters make mosaics and water fountains inspired by Rome's Trevi Fountain.

The finalists create mini model theatres and tackle a tricky throwing technique.