Watching this one, I noticed something in one of the clips from the pilot that I don't believe anyone has pointed out yet.
During the transformation sequence for the girls, stock footage of storm clouds, a water effect, fire or lava, and a golden light effect are laid over the faces of Jupiter, Mercury, Mars, and Venus as they transform. Of particular note is the storm cloud footage played over Jupiter's transformation.
This storm cloud footage is the very same footage that was used for Season 3 of Mighty Morphin Power Rangers whenever Rita and Zedd would unite their powers to make their monsters of the day grow giant. And I believe that this footage was actually recycled footage originally from Kakuranger, the Sentai series that was adapted into MMPR Season 3.
This means that Renaissance Atlantic actually snuck a small piece of Super Sentai footage into this Sailor Moon pilot!