• Dean: Congrats, Sammy. You just bought yourself a benchwarmer seat to the Apocalypse.
• Dean: How long is this gonna go on?
  Bobby: Here, let me look it up in my demon-detox manual. Oh, wait. No one ever wrote one.
• Sam: Stop bossing me around, Dean! Look, my whole life you take the wheel, you call the shots, and I trust you because you are my brother. And now, I'm asking you, for once, trust me.
  

More When the Levee Breaks Quotes

• Is Sam doing the right thing, or is he just fooling himself?

• Why did Castiel release Sam?
  

• Castiel was obviously reprimanded in heaven, and he may not be on the side of the Winchesters anymore.
  

• The title of the episode comes from a blues song written and first recorded by Kansas Joe McCoy and Memphis Minnie that was most famously re-worked by Led Zeppelin for their fourth album.

• (no non-original songs)

• Talking about the angels, Dean says, "I mean, they come on like shady politicians from planet Vulcan," referencing one of the most popular races from the Star Trek series, as immortalized by Leonard Nimoy in the original Star Trek series. Typically a race that deeply suppresses its emotions, the reference here is to the Vulcans as shown in Star Trek: Enterprise, where they are shown as a much more underhanded and manipulative race, prior to their embracing pure rationality and logic.

More When the Levee Breaks Allusions

• Can the Winchesters stop the apocalypse? Or will Lilith break the final seal? The season finale will tell!

Episode 422: Lucifer Rising