Dr Hayley Jones, entomologist at the RHS Garden Wisley joins Dan in the studio to chat all about butterflies and moths and why they're so important, and all about Wisley's Butterflies in the Glasshouse event. 

Plus, Kareena and her superhero alter-ego K-Mistry are heading back in time to learn all about the chemistry in Ancient Greek art, Professor Hallux is chatting all about digestion, Dangerous Dan tells all about a particularly nasty snake and dust storms are stealing Mars' water!