Watch Online HD on HDtoday. 24 Hour Psycho Back and Forth and To and Fro tackles Douglas Gordon's first work head-on, representing it alongside a divergent twin, takes the form of two identical screens installed side by side, with Douglas’s film playing in full on each: forward on one, backwards on the other, with one flipped left to right such that—at exactly twelve hours in—they present the same images, mirrored, in a kind of exquisite, time-limited film version of a Rorschach inkblot test.