[s12e21] There's Something About — Mary

" There's Something About Mary " is the of the dark fantasy series Supernatural , originally aired on May 11, 2017. It serves as a pivotal lead-up to the Season 12 finale, focusing on the British Men of Letters' (BMOL) systematic purge of American hunters. Episode Summary

Sam and Dean Winchester discover that hunters they know are being killed in "accidents" across the country. This leads them to realize the British Men of Letters have turned hostile against the American hunting community. Meanwhile, Mary Winchester is being held and brainwashed by Lady Toni Bevell and Arthur Ketch at the BMOL base, using a psychological conditioning process to turn her into a cold-blooded assassin. [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. " There's Something About Mary " is the

Lady Toni Bevell returns to the U.S. to oversee Mary's conditioning, leading to a tense face-off between her and Mary. Production Credits Director: P.J. Pesce Writers: Brad Buckner & Eugenie Ross-Leming This leads them to realize the British Men

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.

Samantha Smith (Mary Winchester), Elizabeth Blackmore (Lady Toni Bevell), David Haydn-Jones (Arthur Ketch), and Mark Pellegrino (Lucifer). Critical Reception