Hunter X Hunter on netflix reaches from the beginning of the 2011 anime to near the start of the chimera ant arc, i recommend watching it on netflix and finishing the chimera ant arc online as well as chairman election arc. Also Hunter x Hunter doesn't really have seasons it's broken up into fluid arcs that transition from one to another. So netflix does a pretty poor job in trying to label it season wise but it's all they can do. The creator takes breaks due to family issues and living life in general, right now he's working on the dark continent arc of the manga. People also joke that every time a dragon quest game comes out he also goes on hiatus due to him stating in an interview how much he loves those games and how much time they soak up for him. I seriously recommend you and bear sitting down and watching it, you'll laugh, you'll cry, and you'll greatly come to appreciate one of the best animes ever... Even though it is unfinished it does leave off at a satisfying point so it doesn't feel like it cuts the story off halfway through so no worries there.
Signatures are for signatures, DUH. plus i have nothing better to say at this moment. We all don't have to have words of Wisdom and Magic you know under every comment. but mine is always pretty Magical. just putting that out there.