Never has the mood at Elis and John HQ been more nervous or excitable. For it is a momentous day. The Hoff himself, coffee expert and YouTuber James Hoffman, is on the show. And the boys have as many questions as there are beans in the world.
And more importantly we'll find out, under Espresso making levels of pressure, who definitively makes the best coffee as judged by the coffee king him sen.
If you want to get in touch with the show then email elisandjohn@bbc.co.uk or WhatsApp on 07974 293 022