Better Angels — Supergirl 1г—20 :

Supergirl's Season 1 finale, "Better Angels," concludes the inaugural season with Kara confronting a brainwashed National City, ultimately defeating Non and Indigo through a message of hope and a physical sacrifice. The episode features major character shifts, including Kara's promotion and a cliffhanger involving a mysterious pod, which critics praised for its emotional weight despite some pacing concerns. Read the full review at Den of Geek . TV Review: Supergirl - Season 1 Episode 20 "Better Angels"

This is the original version of Bvckup. It was written for Windows XP, last updated in 2010 and it's now well behind times. Use at your own risk, basically.
It has been superseded by Bvckup 2 - a faster and significantly more refined revision of the same idea. Have a look.
http://www.bvckup2.com