Sam and Dean grieve the brother they by no means realized at the end. In a Season 4 Episode, titled "Jump the Shark", Sam and Dean meet up with their lengthy misplaced younger 50 percent-brother Adam at a diner called Cousin Oliver's. Unsurpringly, Kay turned out to be "newborn encounter" of the nominal range, and after she grew to become winner shed the belt shamelessly reverted to her earlier ways to get back and continue to be on best.