In this episode, husband and wife team Christine and Phil Jenson design and build two cakes for Prince Charles and Camilla the Duchess of Cornwall - but will they get the royal seal of approval? In Lancashire, Molly Robbins tackles a larger-than-life chameleon cake to raise money for a local college's new animal unit, and wedding cake designer Karisha Pithwa embarks on a five-tiered Asian wedding cake, complete with working water fountain.