The best thing to do is to get the DVDs.
Youtube
You can go to veoh.com!
on cartoon network.com also try star wars . com
www.starwars.com you can watch the first ten full episodes.
You can watch full episodes of season 2 of Star Wars: The Clone Wars on several sites that offer free streaming shows. It is also available on Netflix with a subscription.
You can watch them on netflix
Try Youtube.com.
go to channel 60 on fridays at 8:00 pm
Yes. You can go to "www.starwars.com" and watch the latest two episodes on the site. (to watch more episodes you must go to the site every monday for the newest episode) (new episodes air on fridays on cartoon network but are on the site by the following monday)
You can watch episodes spread up into parts on Youtube. They quality miight be the best, but it is still an episode. You could try a free tv site called Hulu, but I am not sure they have it.
You can get full episodes of the show a week after they air on Cartoonnetwork.com or Starwars.com, or you can buy the episode on iTunes a day after it airs for $2 (United States)
star wars a new hope