Visit From Earth 38 - Supergirl Season 3 Episode 8

You didn't think Barry's Super-Friend from Earth-38 wouldn't make it to this special day, did you?
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Happy Couple Is Happy - Supergirl Season 3 Episode 8

Maybe their argument is short-lived? Only one way to find out.
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What Are They Arguing About - Supergirl Season 3 Episode 8

It's wedding day for Barry and Iris, but it looks like Oliver and Felicity might have an argument or two in the crossover.
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A Super Speech Or Song - Supergirl Season 3 Episode 8

Barry's Super-Friend from Earth-38, Kara, is having a speech! Or is she perhaps singing?
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Supergirl Season 3 Episode 8 Quotes

J'onn: Supergirl, identify the threat so we can help you fight it.
Winn: Whatever it is, it came out of deep orbit and it is maaad.
J'onn: So it's alien?
Winn: Well, it's definitely not NASA.
Kara: Dominator. These guys are so last year.

Alex: You're right. This is not a time for us to go out, or have any fun. This is our time to wallow, to drown our sorrows, and put on break up weight.
Kara: No.
Alex: I was just kidding. I know that you are incapable of putting on weight, which I totally resent.