Attack of the Sith Diesel Part 2: The Secret Droid Factory is the 29th episode of Season 3.
After the Riders and Cera arrive on the Planet of , Blythe and the Pets soon find Mucker and Ivan on a secret planet, where they've been creating a new Clone Army for the Republic, and Figge and Cazidy are the bases for the troopers. Meanwhile, T.C. and Hugs find that the assailant is on an unknown planet as they track down a bounty hunter whom was hired by the true assassin. Where they come to a planet named: "Planexa" and on it, they find a secret Terminator Droid factory.
- This marks the First Appearance of The Grand Clone Army, , , , and
- The storyline concludes in Attack of the Sith Diesel Part 3: Rise of the New Clone Army!