Okay, that's just BEGGING to air during April Fools. "The Eva, Gundam, Dragonball Z, & Sailor Moon crossover you always wanted!".
Actually, they all share a lot of VAs.
Misato (Evangelion) = Usagi (Sailor Moon)
Shinji (Evangelion) = Haruka (Sailor Moon)
Lalah Sune (Gundam) = Luna (Sailor Moon)
Videl & Pan (DBZ) = Hotaru (Sailor Moon)
Kai Shiden (Gundam) = Piccolo (DBZ) = Hawk's Eye (Sailor Moon)
Amuro Ray (Gundam) = Yamcha (DBZ) = Tuxedo Kamen (Sailor Moon)
Kycilia Zabi (Gundam) = Lunch & Arale (DBZ) = Esmeraude (Sailor Moon)