Install Kodi (libre software), http://kodi.wiki/view/HOW-TO:Install_Kodi_for_Linux
install the Covenant add-on, https://addonhq.com/covenant-kodi-addon/ and enable downloads in Covenant. http://koditips.com/kodi-covenant-tips-tricks-trakt-debrid/In Covenant, search for the show or film you're looking for, and click on the episode or film to get a list of sources. Left click on a source to stream it and right click to download.