"Reign is the spark that ignites the eruptions; seismic catastrophes that would wipe out all humans and terraform the Earth."
"Make it Reign" is the twenty-second episode of the third season of Supergirl, and the sixty-fourth episode overall. It aired on June 11, 2018.


After learning the true depth of Selena's nefarious plans for Earth, Supergirl, Mon-El and Alura must come up with a plan to stop her. J'onn prepares to say goodbye to his father.[src]


  • The episode's title is a pun on the idiom "make it rain".
    • Winn uses the same pun in the episode, claiming there to be a "100% chance of […] Reign" after the planet begins to terraform.
  • When Selena and the other priestesses arrive on Earth, it is similar to when Zod, Ursa and Non appear on Earth in the 1981 film Superman II. Vita paraphrases the line "He actually cares for these Earth people" saying "She actually cares for these humans."
  • The personal shield belt Winn creates is reminiscent of the force field belt Brainiac 5 wore in the DC comics.


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