Game of Thrones season 8: Episode 3 to break record for show's longest instalment

Game of Thrones' eighth season is now in full swing, and fans are about to sit down to the longest episode in the fantasy drama's history.

The third episode of the current and final season, airing this coming Sunday night, will run for an hour and 22 minutes.

This means the episode, the title of which isn't yet known, will become the longest Game of Thrones episode ever.

The previous record holder is the season seven finale The Dragon and the Wolf, which lasted an hour and 20 minutes.

Winterfell, the first episode of season eight, ran for 54 minutes.

A Knight of the Seven Kingdoms, the second instalment, was slightly longer, lasting 58 minutes.

HBO previously revealed the runtimes for each of the six episodes making up the eighth season.

The fourth one will run for and hour and 18 minutes, while the fifth episode will last an hour and 20 minutes.

Game of Thrones's finale will also run for an hour and 20 minutes.

The show is available on Sky Atlantic and NOW TV in the UK, and on HBO in the US.