Season Four

American Alien

Supergirl (401) - American Alien
Story By: Robert Rovner & Jessica Queller Teleplay By: Gabriel Llanas & Aadrita Mukerji
Directed By:
Our Rating:

A brother-sister team with ties to the Luthors attack an alien scientist, prompting John to suspect a new, anti-alien movement in National City. Kara helps a new cub reporter at Catco, and Lena worries about James’ impending indictment for vigilantism.

U.S. air dates are in MM.DD.YY form.   U.K. air dates are in DD.MM.YY form.

News & Spoilers


Diving back into reporting, Kara (Melissa Benoist) welcomes a new cub reporter to CatCo. Meanwhile, James (Mehcad Brooks) and Lena (Katie McGrath) argue about James' impending indictment for acting as the vigilante Guardian, while Alex (Chyler Leigh) and Brainy (Jesse Rath) struggle to get in sync at the DEO. Supergirl (Melissa Benoist) is called into action when remnants of the anti-alien terrorist organization Cadmus try to assassinate pro-alien leaders, but their endgame turns out to be much more sinister than she expected. J'onn (David Harewood) relishes his peaceful new life, but an outing with an old friend causes him concern.

Jesse Warn directed the episode with story by Robert Rovner & Jessica Queller and teleplay by Gabriel Llanas & Aadrita Mukerji (#401).