Jump the Shark Supernatural : Season 4 Episode 19
TV-14 The CW 44m
Aired: April 23rd, 2009 @ 8:00 PM EST on The CW
Meet the Winchester boys: Dean, Sam and... Adam. The Winchesters discover they have a younger half-brother, whose mother vanishes just as a long-dormant grave robber renews his ghoulish career.
