Sonarr

Sonarr is a powerful Usenet grabber that monitors your favorite television series. It automatically searches for and downloads new episodes as soon as they are released on torrent and Usenet indexers. You simply add your shows, set your quality and language preferences, and Sonarr handles the rest. It can rename and organize files, upgrade quality when better versions become available, and integrate seamlessly with your media server for a fully automated TV experience.