In Morriston Hospital in Swansea in 1994 a group of ordinary middle-aged Welsh men stepped into the unknown by taking part in the world's first medical trials for the drug that became Viagra.

Brian takes an audience, with the help of celebrity guests, on a journey into the wonderful universe of The Doctor, in a specially recorded programme from the lecture theatre of the Royal Institution of Great Britain. Brian reveals the science behind the spectacle and explains the physics that allows Doctor Who to travel through space and time. Fun, but filled with real science, it’s a special night for Who fans as well anyone with a thirst for understanding. Brian is in the unique position of knowing The Doctor’s universe inside out as well as the reality behind the drama. When the TARDIS travels through time and space, Brian understands the physics involved. And when it comes to life on other planets, Brian knows the real science that could prove extra-terrestrial life might just really exist in our galaxy.