Watch Supernatural Online: Season 12 Episode 20

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Did Mary manage to help Alicia Banes?

That was one of the bigger questions on Supernatural Season 12 Episode 20 when Alicia appeared to ask Mary for her help in finding her mother. 

Sam and Dean decided to join in the fun and embarked on a daring mission with Alicia and her twin brother when it emerged the mother was going after a powerful witch. 

Meanwhile, Mary learned some shocking information about the British Men of Letters and had to assess whether it was worth sticking with them. 

Use the video above to watch Supernatural online to get up to speed with the latest twists in the tale for the characters. 

Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.

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