Fight or Flight

"Kara you are amazing. You leap into the sky head first into danger and you don't seem scared of falling."

- James Olsen to Kara Danvers

"Fight or Flight" is the third episode of the first season of Supergirl. It aired on November 9, 2015.

Synopsis
Supergirl's powers are tested when Reactron, one of Superman's formidable enemies, arrives in National City and targets the young hero. Also, Cat plans to run an exposé on Supergirl.

Trivia

 * Hank Henshaw's secret identity is shown once more with his glowing red eyes. Seeing his willingness to want to help Supergirl, suggests he might be Martian Manhunter.


 * It would appear Lois Lane and Clark Kent are in a relationship but not yet married. Kara immediately asked if Lucy was related to Lois, and in the previous episode Cat Grant mentioned she had worked at the Daily Planet with them for years.


 * James Olsen knows Superman, and Supergirl's identity, and let it slip to Winn Schott. However, it is not know if the Government that Kara is working with knows Superman's identity or not.