Originally posted by Kurgan
"PRELUDE TO EPISODE III: Encounter new vehicles, locations, and enemies from the upcoming film."
All these have already been introduced in the demo. Sure, you encounter them throughout the Kashyyyk missions, but really, if you've played the demo, you've already seen all the RC spoilers.
Maybe, if you really just want to be safe, just stop playing the game after the last mission on the RAS Prosecutor
, when you activate the turbolasers to fend off a Trade Federation Battleship