You add the .idx file as the subtitle file. The .idx file itself points to the associated .sub file, so you don't have to tell ffmpegX about the .sub file. Note: this only works for encodings with the 'DVD mpeg2enc' preset and 'Decode with mplayer' activated.
Tonight is the night- Game of Thrones, season 6, premieres on HBO. The show begins at 8 p.m. CST, and will last for one hour.
The eighth season of Game of Thrones will be its last, HBO confirmed on Saturday. This leaves only two more seasons for the show. The end of the hit fantasy drama has been rumored for awhile. HBO's new programming chief, Casey Bloys, announced the final season at the Television Critics Association press tour in Los Angeles on Saturday.