As a result, most 1954 moviegoers only saw the film projected in 2D, and it wasn't until the early 1980s that a classic 3D film revival allowedDial M for Murder to be briefly seen theatrically, albeit in a "faux 3D" 70 mm composite print.
ENGADGET: Hitchcock classics Dial M for Murder (3D) and Strangers on a Train come to Blu-ray October 9th