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. Written by
Did You Know?
When Bobby replies to Sam in Japanese after Sam asks him if he speaks it, what Bobby says roughly translates into 'Since before you were born.' 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
We've been ignoring the biggest clue we have. You!
I don't wanna be a clue!
During the end credits of Yellow Fever, Jensen Ackles is in the car and performing Eye of The Tiger for fun. See more
Eye of the Tiger
Performed by Survivor See more