SleepyBear said:
… both the first DVD release and the 2004 DVD releases are much like the original versions.
| DVD | Blu-ray |
|---|---|
 |
 |
Definitely check out Trek Core's sequential screenshots of episodes for both versions. If you can find any non-faded film (probably not; beware “restored” clips), and/or on-the-set color photos, those may be the best reference for a restoration.