Welcome to the Continuity section This section will attempt to be the definitive source of all strange occurrences, production and continuity errors, goofs and gaffs.
When Desmond has his first flash, Charlie dies then the camera cuts and the 1st 2 frames contain an Invert,The 1st being an Invert of the 2nd.This is followed by reverse footage of the cable being pulled upThen we see Hurley pull the cable up.
