Reign

For the eponymous character, see Reign (Samantha Arias).

"Who is she?"

"Worldkiller. The one who will bring about the end of times. This is your purpose, to fight the Devil."

—Kara Danvers and Thomas Coville

"Reign" is the ninth and midseason finale episode of the third season of Supergirl, and the fifty-first episode overall. It aired on December 4, 2017.

Synopsis

Supergirl investigates a mysterious symbol popping up all over National City, tracing its origins back to an ancient prophecy and the mark of the Worldkiller, Reign. Meanwhile, the tension between Lena and Morgan Edge continues to build, causing James to step in and offer up some protection, and possibly igniting a spark in the process.[src]

Trivia

• After Edge claims that he likes to spread company cheer, James quips "bah humbug", a phrase spoken by Ebenezer Scrooge in the Charles Dickens novella A Christmas Carol.
  • Lena later calls Edge a "vile, despicable Scrooge".
• J'onn wishes Winn to play "Jingle Bell Rock" by Hall & Oates in order to introduce his father to them.
  • The Legends played the same song for Jefferson's Farewell Christmas Party in "Beebo the God of War", which aired the next day.
• After M'yrnn mentions the Martian holiday Life Day, Winn incorrectly believes that he is speaking about The Star Wars Holiday Special, in which Princess Leia sings a song to the tune of the Star Wars theme.
• After Winn suggests that he has no idea what Star Wars is, J'onn claims the 1980 film The Empire Strikes Back to be "the best movie sequel of all time."
• Reign's heat vision is red, a reference to the traditional color of Kryptonian heat vision.
• This is the first Christmas-themed episode of the series.

References

Supergirl season 3

"Girl of Steel" • "Triggers" • "Far From the Tree" • "The Faithful" • "Damage" • "Midvale" • "Wake Up" • "Crisis on Earth-X, Part 1" • "Reign" • "Legion of Super-Heroes" • "Fort Rozz" • "For Good" • "Both Sides Now" • "Schott Through the Heart" • "In Search of Lost Time" • "Of Two Minds" • "Trinity" • "Shelter from the Storm" • "The Fanatical" • "Dark Side of the Moon" • "Not Kansas" • "Make it Reign" • "Battles Lost and Won"