Emmerdale viewers transformed into super sleuths on Tuesday evening as they 'worked out' a twist which could see the hunky Joe Tate return to the Dales.He was left for 'dead' by Graham Foster, who couldn't bear to kill the man he thought of as a son, and left to flee the country while living off Kim's money.But now fans are certain that he's heading back to Yorkshire - and they think Sarah's link to new girl Chloe could be the key.Chloe is the sister of Gemma, the girl who donated her heart to Sarah and saved her life after dying in a car accident.Eagle-eyed viewers have been watching from the sidelines, however, and twigged that Chloe might actually be related to Joe.Posting on Facebook, one fan theorised: "I think her dad or brother is.
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