It's Autumn Week and the bakers make sweet autumn-inspired pies and transform veg into showstopping cakes. Who's got their eyes on the pies, and who'll be leaf-ing the tent?

It's a Bake Off first as the bakers get groovy for 1970s Week with towering profiteroles and a retro favourite. Whose gateau will steal the show and who'll make the semi-final?