Nellie Andreeva

HBO will air a 15-minute sneak peek of the first episode of new series Game of Thrones on Sunday, April 3, ahead of the fantasy series’ premiere on April 17. Part Three of HBO’s miniseries Mildred Pierce, which was scheduled for 9 PM that night, will now start at 9:15 PM. Following the one-time-only play, the Game of Thrones preview will be available online and on demand.

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