It is airing on Spike Tv in the U.S. tonight. (I presume they air in HD?) Don’t know if it’s the two parter or not though.
How’s this for an eerie coincidence? The same channel where I recorded the UK SDTV airing from, is re-running IT again - right now. They’re using the cropped to 16:9 version now, so it’s fortunate that I recorded it last time. 😄