I think my favorite tale of Clone Wars-watching kids discovering the movies comes from Hitfix’s Drew McWeeny. His two sons had seen the cartoon but not the movies, and their reactions to Anakin’s fall are really heartbreaking.
Here they are, in order: A New Hope, The Empire Strikes Back, The Phantom Menace, Attack Of The Clones, Revenge Of The Sith and Return of the Jedi. (I love his ordering, too! Anything that preserves the ESB reveal is fine by me.)
A great series of posts, a must-read for any Star Wars fan, I think. Though, I should note, his kids love Yoda. - Dunc