Stories Audio Book Subscriber Short Trips Subscriber Short Trips String Theory 1 image Overview Characters Reviews Statistics Quotes Overview Released Thursday, March 12, 2015 Written by Kini Brown Narrated by Stephen Critchlow Runtime 35 minutes Time Travel Past Location (Potential Spoilers!) Connecticut, Earth, New York, USA Synopsis String Theory was the twenty-second Subscriber Short Trips audio story. It was read by Stephen Critchlow and featured the Fourth Doctor and Leela. It was released as a subscriber-only download, available to subscribers who purchased The Entropy Plague. Listen Listened Favourite Favourited Add Review Edit Review Log a repeat Skip Skipped Unowned Owned Owned Save to my list Saved Characters Fourth Doctor Leela Reviews Add Review Edit Review Submit a Review Statistics AVG. Rating13 members 3.51 / 5 The Time Scales AVG. Rating8 votes 3.45 / 5 Member Statistics Listened 10 Favourited 0 Reviewed 0 Saved 0 Skipped 1 Owned 3 Quotes Add Quote Submit a Quote