Uploaded May 2017 | Updated September 2026, 2 weeks ago

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Supernatural - Episode 12x21: There's Something About Mary Promo (HD)

Sam (Jared Padalecki) and Dean (Jensen Ackles) are alarmed when they learn hunters are being killed by suspicious “accidents” all over the country. They decide it is best to find Mary (guest star Samantha Smith) and make sure she’s safe. Meanwhile, Toni (guest star Elizabeth Blackmore) is back in the states and she and Mary face off. PJ Pesce directed the episode written by Brad Buckner & Eugenie Ross-Leming (#1221). Original airdate 5/11/2017.

Supernatural 12x21 Promo/Preview "There's Something About Mary"
Supernatural Season 12 Episode 21 Promo
Supernatural 12x21 Promo "There's Something About Mary" (HD)