Watch Supergirl Online: Season 3 Episode 1

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Did Kara find a way to move on in the aftermath of what happened to Mon-El?

That was revealed on Supergirl Season 3 Episode 1 when the Girl of Steel decided it was time to ditch Kara Danvers and give Supergirl her all.

Meanwhile, a brand new villain emerged in National City and it made everyone question why there was a new villain so soon. 

Also, Alex revealed a shocking truth to Maggie before their wedding. 

Use the video above to watch Supergirl online right here via TV Fanatic. 

Get caught up on the latest drama for the girl of steel as she attempts to move on. 

Paul Dailly was an Associate Editor for TV Fanatic.Follow him on X.

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Supergirl Season 3 Episode 1 Quotes

Winn: I thought it was bad when she skipped pizza night, but skipping free apps? I mean, come on. These are like the beginning of the dark days.
J'onn: Hey, come on, grief doesn't have a deadline.
Winn: Look, I know, but I mean, she goes from being little miss sunshine to, well, Alex basically.
Alex: What? I'm not like that.
J'onn: Oh come on Alex, your unrelenting seriousness is one of your best qualities.

Reporter: Does President Marsden believe climate change is real?
Cat: Yes, Carl, as a matter of fact she does. She also believes that two plus two equals four, and that the Earth is round, because the President is not a moron.