Supergirl Season 2 Episode 3 was titled "Welcome to Earth."
Ready to find out what took place on this CW favorite? Scroll down to find out!
On this installment of Supergirl, Kara was afraid that the recently escaped Mon-El was behind an attack on the president, who Supergirl and the DEO have been assigned to protect.
Elsewhere, at the same time this was taking place, the hot-button issue of aliens versus human rights divided National City. Sounds a bit like X-Men, doesn’t it?
Click on the video above to watch Supergirl online and find out where these storylines went in the end.