Well, then …
But it is not on the list of expiring licenses for this coming May.
http://discussions.viki.com/t/dramas-with-expiring-licenses/4757
Then again that is no warranty that the drama will stay. Try it in a bit (2-3 days) again, maybe it is only a glitch. Or you can write to the HELP CENTER but the time to wait for an answer increased a lot.