The episode is often discussed by fans for its dark tone and the controversial writing style of Buckner and Ross-Leming, who frequently handle episodes involving significant character deaths or major plot shifts. You can find community discussions and breakdowns on the Supernatural Reddit or browse fan-cataloged details on Archive of Our Own.
Crowley’s attempt to keep Lucifer under his control fails. Lucifer manages to reverse the security system in his vessel, overpowering Crowley and escaping his confinement. [S12E21] There's Something About Mary
The British Men of Letters use a "bug" (a tracking/listening device) to locate and eliminate American hunters. Sam and Dean eventually find the bug in the Impala. The episode is often discussed by fans for