Which is honestly too bad because the show was originally filmed for 16:9 with the expectation that 16:9 TVs would become common in the near future, which they did. The 4k version is only 4:3 because the effects were done on the cheap and mastered for 4:3 standard definition and nobody that could afford it wants to redo all the effects work.

No. You get harsher contrasts in quality whenever a digital effect is used.

And, starting with Mind War, there is an increasing appearance of green tint on everything until it dominates.

Get the DVDs while you still can.

Donde