I can thoroughly recommend this recent addition to the Lost Stories series from Big Finish. It has an interesting medieval setting and a plot clearly influenced by classic sci-fi films such as 'Logan's Run'. The perfect antidote to Nuwho.
A BLOG FOR DOCTOR WHO RELATED DISCUSSION & BEN CHATHAM/OPERATION DELTA SPIN OFF STORIES
ABOUT OPERATION DELTA
The Operation Delta stories are a fan fiction spin-off from Doctor Who. OPeration Delta is an organisation that investigates paranormal activity and alien encounters. It is led by Ben Chatham, a former Doctor Who companion, along with Katie Ryan and Kyle Scott.