Were can i find sub episodes of yugioh gx?

i'm looking for japanese episodes of yugioh gx (with english subs) and i don't care if it's done by streaming or downloading, i generally want to avoid the 4kids dub. i can't seem to find them anywere on youtube or any search engine. if possible i want all 4 seasons. i'll give best answer to the 1st person to give me a site that gets me what i'm looking for.