Shoutout goes to 5SecondsOfSwim for her correct answer of Enceladus. I dunno if I spelled it right or not...I copied and pasted off of CHB Wikia.

In the movie Star Wars: The Phantom Menace, what is the Sith apprentice's name?
Hint: The apprentice attacks Qui-Gon Jinn and Obi-Wan Kenobi.