#Watch Supergirl Online: Season 6 Episode 2

Did Lena vow to stop her brother?

On Supergirl Season 6 Episode 2, the stakes were higher than ever before, and it was time for Lena to pick a side. 

Meanwhile, Supergirl and her team were faced with a challenge unlike anything they’ve ever dealt with before. 

With Alex confused about what to do next, it came down to a split-second decision who survived. 

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

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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.