@Jetrell Fo: As far as I know, we don't have access to the true theatrical versions of these films. At least in full HD I mean.

What I think could be done to the ones we have is basically:

Episode 1: Use a combination of normal blur and the avisynth plugin BlindDeHalo to get rid of some edge enhancement. Do a basic color correction to get rid of the pink tint.

Episode 2: Use the chroma from the HDTV version and merge it with the luma of the blu-ray. If they match, that is. Were any scenes altered in this release?