directors, Janine Finlay, Tim Usborne, Denise Glass, Sam Goss ; executive producer, Jacqueline Smith ; series producer, Dominic Gallagher ; BBC Studios, the Science Unit, Scotland
directors, Janine Finlay, Andrew Thompson, Michael Duffy, Denise Glass ; executive producer, Jacqueline Smith ; series producer, Dominic Gallagher ; BBC Studios, the Science Unit, Scotland