Season 4 Episode
- Season 3 Three Queens, Two Tigers
- Season 3 Betrothed
- Season 3 Extreme Measures
- Season 3 The Price
- Season 3 In A Clearing
- Season 3 Fight or Flight
- Season 3 The Hound and the Hare
- Season 3 Our Undoing
- Season 3 Wedlock
- Season 3 Bruises That Lie
- Season 3 Succession
- Season 3 No Way Out
- Season 3 Strange Bedfellows
- Season 3 To the Death
- Season 3 Safe Passage
- Season 3 Clans
- Season 3 Intruders
- Season 3 Spiders in a Jar
Reign - Season 3 Episode 8 Our Undoing
8.04 42 minutes Mary must marry again in order to help Scotland, whose welfare she has to prioritize over her heart. Meanwhile, Catherine is accused of poisoning Francis, but Mary believes Catherine is being framed by Narcisse, who's angling to become regent of France.
