Root Cause
Season 4, Episode 20 (80)
Vital statistics
Air date TBD
Written by Illyriarocks
Directed by Illyriarocks
Episode guide
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Devil's Eyes, Part 2 Fire Escape
Root Cause is the 20th episode of Birds of Prey Season 4 and the 80th episode overall.


BURIED TREASURE- When Talia al Ghul discovers a secret League treasure trove, she races against Jade Nguyen to attain it. Laurel Lance comes home to an unexpected visitor. Brainiac has a chat with Nyssa Raatko. Thea Queen discovers more about Malcolm's business deals, while Carrie Cutter and Ray Palmer deal with their indiscretion.

Main CastEdit

Special Guest StarsEdit

Recurring CastEdit



  • Antagonist: Brainiac
  • Tess does not appear in this episode.
  • Laurel formally meets DISCORD in this episode.
  • Roy was last seen in Like You.
  • Jade was last seen in Rise & Fall.
  • This episode takes place on January 19, 2020.


  • TBD


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