Who drained Supergirl of her power?
That was addressed on Supergirl Season 2 Episode 6 when the Guardian showed up in National City to lend a hand after a parasite alien took aim at Supergirl.
Meanwhile on this addictive drama series, Mon-El gave everyone a shock with a career change.
Also, Alex struggled to come to terms with her feelings for Maggie, but did she finally confide in Kara about it?
Use the video above to watch Supergirl online to get caught up with the latest drama on the best DC TV show.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.