How did it all end?
On Supergirl Season 1 Episode 20, the superhero had to go against her sister in order to try and stop Non and the Myriad from brining an end to the human race.
Kara had to try and save Jon after he was attacked by Alex, but did he manage to pull through?
Also, our heroine was forced to confront her feelings for James when it looked like their life was ending.
Use the video above to watch Supergirl online to get up to speed with all the drama... before it says goodbye for the summer.
Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.