Annnddd I just figured out: the longer they stay, the more doomed they are.... Im looking at you Rose and Donna
They've always been my favorites-- Shakespeare, Van Gogh, Madame Du Pompadour, WWI and WWII, etc.
Oh, but this is brilliant. "Look at your hair!" Doctor Who Unreleased Scene from The Eleventh Hour and Beast Below - Bridging the two || And it explains why the TARDIS always disguises itself as a 1963 Police Telephone Box... well, sort of...