Your correspondent has never watched a single episode of Game of Thrones.

To the likely relief of Rupert Murdoch, there aren't too many of us who haven't been tempted to tune into the hugely popular fantasy drama TV series.

The latest series of the show has been instrumental in drawing new subscribers to Foxtel, Murdoch's Australian pay TV company.

But it's fair to ask if GoT, which ended last month, will be Foxtel's last hurrah.

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The pay TV service doesn't have another blockbuster to ensure it holds onto viewers who joined to watch the show and already its churn rate