Richard S from Film & TV Show interviewed Hannah and Ben Mansfield at Reading Comic Con. Their part begins around the 00:31:50 mark if you listen via the embedded link. It’s also available on iTunes for free. The main topic is naturally Primeval and they talk about preparing for filming, locations and favourite scenes among other things. They also touch EastEnders. Hannah says her episode/episodes will air around Christmas time but is not exactly sure when.