The iStream addon has been around for a fair while now. Excellent for all your movies and tv show needs. I consider it as being one of the greats, and a must have addon nowadays.
Get the iStream installer at:
http://xunitytalk.me/xfinity

Bypass your ISP restrictions and secure you connection with a VPN service. http://www.ipvanish.com Subscribe YouTube Channel http://bit.ly/kmyoutube