The "Top" in your search query likely refers to a link—the most popular version of the file that thousands of people were sharing simultaneously so they could all watch the episode before the spoilers hit social media the next morning.
Game.of.Thrones.S02E02.720p.BluRay.450MB.x264-ShaaniG Size: ~450 MB Video: 720p BluRay | x264 | ~900 kbps Audio: AAC 2.0 / 5.1 (depending on source) Subtitles: English (embedded, SRT)