I'm not going to buy Jumong and be condemned to eighty-one hours of viewing pleasure. If I can resist, that is.
Kingdom of the Wind(s). Oh, it's amazing. Only about 36 hours long, of which I've now seen 23 or so.
You should try Kingdom of the Winds too because:
You'll fall in love with "the East"...They're just like us inside? Who would have thought? Best -scapes ever. Mountains and fields and sunsets, oh my. Gold-coloured fabric everywhere. Beautiful people. Statecraft, diplomacy, leadership, honour. Swordfights every half hour. Ninja stuff. Subtitled in good, classy English apparently by PhD Shakespeare scholars.