Star Wars: The Clone Wars is a cartoon show currently in its Second Season on Cartoon Network. The show takes place during The Clone Wars, a three year inter-galactic conflict between the Galactic Republic, lead by the Jedi Knights and their clone soldiers, and the Confederacy of Independent Systems, lead by Count Dooku, General Grievous, and their various battle droids. The Clone Wars take place between Star Wars Episode II: Attack of the Clones and Star Wars Episode III: Revenge of the Sith. The show itself centers around Anakin Skywalker, former Padawan learner of Obi-Wan Kenobi. Anakin now has a padawan of his own, a young Togruta girl named Ahsoka Tano. Other characters that make appearences are Yoda, Mace Windu, General Grievous, Count Dooku, Asajj Ventress, Ki-Adi Mundi, Luminara Unduli, Barriss Offee, R2-D2, C-3PO, Padme Amidala, Capatain Rex, Commander Cody, and many others.

Simple answer: The show is set in the middle of the three year period between Episode II and Episode III. The Clone Wars film that was released last summer is the start of the show. The first season featured 22 episodes and the second season has reached its 10th episode.