Mary must battle Elizabeth in order to secure her crown in Scotland on the season finale of Reign. "Spiders in a Jar" is the 18th episode of the show's third season.

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Photo Credit:
CW
Show:
Reign
Episode:
Reign Season 3 Episode 18: "Spiders in a Jar"
Related Photos:
Reign Photos
Location:
Toronto, Ontario, Canada
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Reign Season 3 Episode 18 Quotes

There can only be one Queen, and I had to choose mine.

Lola [to Elizabeth]

I am Scottish. This country is in my blood as I know it is yours.

Mary