The Non-Canon Expert looks at the partnership that Dooku would create with Senator Palpatine in the months before Episode I: The Phantom Menace while he was still a Jedi Master, explaining how these early efforts and discussions between Dooku and Palpatine would ultimately result in Palpatine revealing his true identity as the Sith Lord Darth Sidious and Dooku joining the Sith Order. This is a Legends story for Dooku and Palpatine with information found within «Star Wars: Labyrinth of Evil,» «Star Wars: Darth Plagueis,» and «Star Wars: Jedi vs. Sith: The Essential Guide to the Force.»