Supernatural Season 3 Episode 2
"The Kids are Alright"
Dean pressures Sam into visiting Cicero, Indiana, so he can visit an old flame named Lisa, he had a tryst nine years ago. However, Dean is stunned when he meets not only Lisa again, but also her 8-year old son Ben, who bears a striking resemblance to him. But in the end the kid is not from Dean. Lisa told him that she met another guy after Dean with the same as him.
However, Ben soon goes missing and Sam and Dean discover that a Changeling, a demonic parasite, is snatching kids from the small town and assuming their form. Meanwhile, Ruby makes contact with Sam and reveals some startling information about his mom.
