When Saesee Tiin leads his men into outer space, his helmet is connected to the same kind of life-support box as Darth Vader's.
When Anakin and Ben listening to the shaman's prophecy, he says something about 'holt kezed', which actually means 'your dead hand' in Hungarian.
All the vehicles in this series are computer generated. For the scenes of Mace Windu commandeering a Vulture droid, Genndy Tartakovsky took it upon himself to painstakingly animate the character onto the CG vehicle himself.
Ithorian Jedi Roron Corobb is named after Star Wars: Episode IV - A New Hope (1977) creature designer Ron Cobb while Foul Moudama the Talz got his name from a Middle Eastern bean dish.
Sacred Ground (1996) is considered by a few to be a possible influence behind (#3.3). Anakin Skywalker undergoes a Nelvaanian ritual ceremony which Anakin's body is covered with blue tattoos.