In 'Super Zeroes' the Mayor is wearing a Jigglypuff watch.
Lucky Captain Rabbit King is a parody of the Trix rabbit as well as elements of Lucky the Leprechaun and Captain Crunch.
In "Super Zeroes", Freedom Belle and Mange are parody's of, Wonder Woman and Spawn.
This episode was the sixth in production order but the seventh in airing order from the third season.