delete the torrent from your torrent program (open the program, select it from the current torrents list, right click, delete).
open the torrent file again
Your probably missing a codec, which is kinda a tricky situation cause it's not that easy to figure out what one, and then download it. I suggest you just download another player. VLC player is really good and plays pretty much everything. As in everything haha. It's free too, just type it into...
I think it's because they're still dubbing the rest of the episodes. I prefer to watch it in japanese anyway (with subs of course). It's better that way in my opinion :P.
Anyway you can either wait for ages until they dub them all or just watch the episodes with english subs.