Haven

301 - S3-E1

Continuity mistake: Duke is wearing an extra shirt, and his hair is longer then it was, despite continuing the scene from the end of season 2.

Last Goodbyes - S3-E11

Factual error: Will's hospital chart states he is taking Warfarin and Coumadin. These are both the same drug to prevent blood clots. He would not be on both. (00:31:50)

More mistakes in Haven

Sarah - S3-E9

Question: Duke creates a paradox by giving his grandfather the gold coin. Duke gives the coin to his grandfather, who then gives it to Duke's father, who then gives it to Duke. Where did it come from?

brianjr0412