From Syfy press release:
Syfy will take viewers into a dimension as vast as space and as timeless as infinity during its 21st annual New Year’s Eve The Twilight Zone marathon, which will air all 156 episodes of Rod Serling’s legendary TV series in chronological order and in HD for the first time ever on the channel.
The 87-hour marathon will begin Wednesday, December 30 at 7PM (ET/PT), concluding Sunday, January 3 at 12PM. The only interruption will be the telecast of WWE SmackDown on Thursday, December 31 from 8-10PM (incidentally, the final airing of the show on Syfy before it moves to USA Network on January 7th).
Among The Twilight Zone fan favorites will be “Nightmare at 20,000 Feet” (starring William Shatner); “The Encounter” (starring George Takei); “Time Enough At Last”; “Living Doll”; “To Serve Man” and “An Occurrence at Owl Creek Bridge”.