[s4e21] When The Levee Breaks -
: Directed by Robert Singer and written by Sera Gamble. It is one of only three episodes in the entire series where no characters die.
: The title is a nod to a 1929 blues song famously covered by Led Zeppelin in 1971. [S4E21] When the Levee Breaks
: Ruby reveals that Lilith is "Lucifer's first" demon and that only she can break the final 66th seal. : Directed by Robert Singer and written by Sera Gamble