Tune in to Supergirl Season 6 Episode 17, “I Believe In A Thing Called Love,” on Oct. 26 at 9 p.m. ET on The CW to see if Kelly accepts Alex’s proposal.

In speaking with TV Line, Chyler Leigh, who plays Alex Danvers, talked about the final days on the Supergirl set. Leigh said, “We were a hot mess. Everybody’s crying.

To celebrate Supergirl ‘s end, The CW has released a significant batch of promotional photos featuring some familiar faces returning for the last two-part installment in the series.

Indigo, aka Brainiac 8, was one of the villains of Supergirl Season 1, alongside Astra and Non. Indigo is a Coluan, a sentient humanoid race and a descendant of Superman's famous enemy, Brainiac.

Alex Danvers and Kelly Olsen are really nailing this whole “power couple” — minus the powers, obviously — thing on “Supergirl.” And now that they’re engaged, the women are happier ...

Alex gives her what she needs: She holds her. Tesfai breaks down “Blind Spots,” teases how Supergirl will end, and shares where she’d like to pop up as Kelly in the Arrowverse.

Now, she is out in National City and might be a problem for Supergirl and the rest of the super friends. You can check out the Supergirl episode 6.09 photos in the gallery below.