Genndy Tartakovsky and his writers had wanted to use the Techno Union (Wat Tambor's species) as the villains in the original Micro Series, but Lucasfilm told to use the IG Banking Clan instead. They finally got to use them for the big finale on Nelvaan.
Mace Windu's attack on Grievous resulted in his having a cough in Episode III Revenge of the Sith.
The Nelvanian boy calls his father 'Apu'. This is a Hungarian term of endearment Genndy Tartakovsky likes to call his father in law.
The end of this series leads into the beginning of Episode III Revenge of the Sith.