A Jedi mission finds a lightsaber belonging to the long-dead Master Sifo-Dyas, prompting Yoda, Obi-Wan Kenobi and Anakin Skywalker to being an investigation into his decade-old disappearance. This sparks Darth Sidious to order Darth Tyranus to clean up any loose ends that may lead the Jedi to discover the truth of the Sith conspiracy.
The Grand Clone Army of the Republic, led by Jedi Masters Yoda, Mace Windu, Obi-Wan Kenobi and other Masters must fight the New Droid Army of the Separatists to defend the Republic and the political stability of the galaxy. They face the cunning Dooku, the vicious General Grievous and the relentless Asajj Ventress on the field of battle, all the while, behind the scenes, Senator Palpatine manipulates things to his benefit.
Meanwhile Jedi Knight Anakin Skywalker takes on a young Padawan apprentice named Ashoka Tano and is trying to train her to become a Jedi Knight in the midst of the Galactic War.
The Clone Wars - The Lost One Synopsis and Schedule