Where To Stream The Great Pottery Throw Down Season 9 Episode 9

Siobhán McSweeney hosts the semi-final, where the four remaining potters make wall-mounted water fountains inspired by Rome's Trevi Fountain and take on guest judge and ceramic artist Cleo Mussi's surprise mosaic challenge. Whose fountain will make a splash and see them through to the final, and whose mosaic will leave them picking up the pieces?