• Dean - "They put make-up on us! Those bastards."
  
• Sam - "It says you're from Texas and, ooo, it says you were on a soap opera."
  
• Dean - "Dear Castiel, who art maybe butting his ass away from heaven, we pray that you have your ears on. Breaker, Breaker?"
  

More The French Mistake Quotes

• What is Castiel hiding from Sam and Dean?

• How will the war in Heaven end?

• Has Balthazaar chosen to fight on Castiel's side once and for all?
  

• There are two worlds: the Supernatural world, with magic, monsters and the apocalypse, and our world -- which lacks all of those things.

• Sam chooses his brother over "fake Ruby" (and his wife, in that world) -- something new!
  

• The "French Mistake" is a term commonly used to refer to the infamous event in French history when Napoleon sent 400,000 of his troops to Russia, leaving France unguarded and open to invasion.

• Additionally, "The French Mistake" is a musical number in the movie Blazing Saddles. In the scene, a massive brawl between townsfolk and an army of criminals breaks out of the film's set and onto the soundstage where the musical number is being performed. Actors go in and out of character as the fight continues throughout the Warner lot.

• Garwin Sanford, who played Deacon in "Folsom Prison Blues," was one of the producers in this episode (the one who said that J&J would not know who Sera was).
  

More The French Mistakee Trivia

• Dean asks Sam if he'd rather stay in the non-magic universe: "Well, I'm just saying, "No hell below us, above us only sky."" These are lyrics from the John Lennon song "Imagine."

• Misha constantly tweeting (on Twitter) was an allusion to the real-life Misha Collins staying in touch with fans through his Twitter account ... but the real0life Misha is much funnier!
  

More The French Mistake Allusions

• Original Soundtrack
  

Sam, Dean and Bobby go hunting for "The mother of all monsters." On their way they bump into Samuel and Gwen (who are also hunting it). Things get heated up when Samuel and Bobby start fighting on how to deal with the case.

EPISODE 616: ...AND THEN THERE WERE NONE