Sam and Dean are contacted by one Adam Milligan who claims to be John Winchester's son. The boys immediately suspect a demon trap and go to investigate. Adam turns out to legitimately be John's son and Dean is furious that John kept Adam's existence from them as well as sheltered Adam from the hunting life. Meanwhile other supernatural forces are at work, which lead to a tragic twist that neither Sam, Dean, or their new sibling could have guessed. Written by
Did You Know?
When Dean and Sam determine who is going to go down the floor vent, they play "Rock, Paper, Scissors". Dean always throws scissors and Sam knows this and always throws rock. See more
When Dean goes into the tomb it is shown to be night. But later through a window behind him you see that it's daytime outside. See more