An HBO drama series is on a ratings roll, setting a series high Sunday for the fourth week in a row. EW.com’s Inside TV reports that "Game of Thrones" drew an audience of 5.5 million viewers for Sunday’s 9 p.m. telecast, and with both plays that night, viewership reached 6.8 million, a new gross nightly high.

The third season of the drama is currently averaging a cumulative 13.4 million viewers, when original viewing, repeats and viewing via DVR, HBO Go and On Demand are factored in, according to The Hollywood Reporter’s Live Feed.