The Revenge series finale will leave viewers with a little something extra.

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Emily Thorne's (Emily VanCamp) story won't go on for infinity times infinity, but the ABC drama will conclude it's four season run with one last mystery.

"There's a tiny little cliffhanger in the series finale," executive producer Sunil Nayar told Entertainment Weekly.

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The EPs comment seems to lend credence to the idea that ABC's upcoming series, The Kingmakers, will have a connection to the Hampton's story of vengeance.

"There isn't a whole lot that I can say to that except that Kingmakers is fabulous," Nayar said, according to Entertainment Weekly. "It's got the blood and passion of Revenge hardwired into what the show is, but at the moment, it is not a spinoff in that there's no characters from this show that are, at the moment, planning on being in that show, but never say never."

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Find out more when Revenge airs Sundays at 10 p.m. ET on ABC. Click the video below to see a preview for the series' next episode, "Plea."