As psyched as Supernatural fans are for the "musical-ish" 200th episode, the Supernatural stars themselves were not so jazzed when they learned what the episode was going to be.
"I didn't have a positive reaction," Jensen Ackles told E! News. "The first time in I think 200 scripts I went and sat down in the showrunners office and said, ‘What in god's name are you doing?! Why? I need to understand why this is happening.'"