EntertainmentTVSci-Fi ShowsDoctor WhoDoctor Who showrunner says a season 1 episode features a 15-years-in-the-making idea that was too expensive at the timeWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. EntertainmentTVSci-Fi ShowsDoctor WhoDoctor Who showrunner says a season 1 episode features a 15-years-in-the-making idea that was too expensive at the timeWhen you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. When you purchase through links on our site, we may earn an affiliate commission.Here’s how it works. (Image credit: James Pardon/Bad Wolf/BBC Studios) Doctor Who showrunner Russell T Davies has spoken about bringing an idea to life that would have been prohibitively expensive for the sci-fi show 15 years ago. Davies added, “Visually, it’s more effects than any other episode… screens and stuff.” The showrunner also noted that the upcoming finale – one he hasalready …