As an old friend visits Helen, a new mermaid arrives leaving Ryn questioning their motives. Maddie learns the truth behind Ian’s death, as Ben fights for his mother’s treatments. While…

When Dean chooses to stay in the bunker and try and locate Abaddon, Sam goes to a small Illinois town to investigate a string of vicious murders committed by seemingly…

Sam and Dean discover a doctor who, back in 1816, became obsessed with finding the secret of eternal life by taking people’s vital organs. Meanwhile, Bobby finds Bela and Dean…