Wait a tick. Basil, if I travel back to 1969 and I was frozen in 1967, presumably, I could go back and visit my frozen self. But, if I’m still frozen in 1967, how cou … oh, no, I’ve gone cross-eyed.

M. Joseph Young does rather interesting, detailed temporal analyses of the different timelines created by the Terminator films, the Back To The Future trilogy, Millennium, those Trek films that dealt with time travel, 12 Monkeys, Flight Of The Navigator, Army of Darkness, Lost In Space, Peggy Sue Got Married, the Bill & Ted movies, Frequency, Planet of the Apes, Kate and Leopold, Somewhere In Time, The Time Machine, Minority Report, Happy Accidents, The Final Countdown, Donnie Darko, Harry Potter and the Prisoner of Azkaban, and Deja Vu.