Apparently, takeout coffee cups aren't the only modern convenience in Westeros.

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Just weeks after "Game of Thrones" fans roasted showrunners for leaving an anachronistic coffee cup in a scene, viewers spied plastic water bottles in Sunday's series finale, CNN reported.

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"A water bottle in King's Landing!" Twitter user @bethisloco captioned a video of one of the gaffes.

>> See the tweet here

The clip quickly went viral, with more than 795,000 views, 27,000 likes and 8,000 retweets by Monday morning.

Among the hundreds of replies, a second viewer shared a screenshot of a possible second bottle.

"It's not just there," Twitter user @Yo_Bala wrote. "I actually found the second water bottle next to Ser Davos."

>> See the tweet here

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