What do we know about the strange places we’ve been? In this season finale, Justine, Alex and Roger provide updates about the topics previously covered in the “The Knock-on Effect,” touching on the bright-red bugs behind the American aperitivo resurgence, the market potential for spicy hazelnuts, privatization of space and the moon, the glut of cheese, the existence of moon cheese, vaccine-flavored honey and the uniquely British appeal of Mr Kipling cakes.