Sam and Dean discover a Colorado small town's darkest secret as a wave of people fall prey to a "ghost sickness" that induces fear, paranoia, and ultimately a fatal heart attack. Sam and Bobby must figure out the cause and cure of the sickness when Dean himself falls prey to it.
Did You Know?
, the actor playing Bobby, suggested to speak his line '"since before you were born" in Japanese, as he is fluent in the language. See more
When the Sheriff enters Dean's hotel room near the end, the lock is on the left side of the door. After their fight however, the lock is suddenly on the right. See more
Dude, you're going 20.
That's the speed limit.
What? Safety's a crime now?
During the end credits of Yellow Fever, Jensen Ackles is in the car and performing Eye of The Tiger for fun. See more
End Credits Theme
Composed by Jay Gruska See more