Did it live up to the hype?

I've actually never seen an episode of The Flash, but after watching Supergirl Season 1 Episode 18, I am strongly considering making it my next Netflix binge.

This was easily one of the most fun and entertaining installments we've seen so far, and it is a little sad that Barry had to go back home.

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What a great way to introduce him! Sure, Kara could have saved herself after being thrown out the window, but how was she going to explain it? Lucky for her, someone in the vicinity of CatCo always has a camera.

Their banter was equal parts adorable and hilarious. Kara's confused face as Barry spouted off all the names of superheroes from his world was priceless (and I have to admit I didn't know who most of them were, either).

The trio of Kara, Winn, and Barry would make a great superhero team. Winn's excitement over having another geeky buddy was about equal to a kid getting an ice cream cone. Oh wait.

James' jealousy was pretty fun to watch, too, and it was funny how literally everyone felt the need to put in their two cents when it came to James and Kara. Between Cat's cupcake comparison, Lucy commenting on his sneer, and Barry telling her to speed things up, it was clearly time someone made a move.

All four of you standing there doing nothing, you look like the attractive yet non-threatening racially diverse cast of a CW show.
Cat

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Thankfully, we got a little more insight on how Siobhan ended up with powers. I cannot say I was expecting the explanation to be that her family is cursed, and the only way to break it is to kill the object of her hate.

Something tells me there has got to be another way. I'm not completely sold on Siobhan as a villain, and I think there's potential for redemption. Winn was close to getting through to her.

Don't think we'll be seeing anymore of her this season, but in the future, who knows?

I was enjoying the crossover so much that until Kara mentioned her, I almost forgot Alex wasn't in the episode. I am surprised that I didn't really miss her or Hank, but it is probably a good thing they weren't around.

Now that Non is back and has enacted Myriad, it looks like the entire city (humans at least) are under his control. It was basically like watching the end of Divergent.

It definitely wasn't the reaction to the kiss that Kara was expecting.

Alex and Hank need to get home quick and help out, but would entering the city put Alex under its control, or is she safe because she wasn't there when it was turned on?

I'm curious if those in the DEO, like Lucy, are unaffected being that they're underground. I'm also wondering if/how Maxwell Lord will fit into all of this. Is he under the spell, or will he end up helping them?

Kara finally managed to earn back the trust of her city, and now they're all lost to her until she can figure out how to stop this thing. I'm still not really clear on Non's plan at this point. Is he going to make them all kill each other? Turn them against Supergirl?

If firefighters can take out Livewire with a hose, who knows the capabilities of an entire town of mindless zombies?

Some final thoughts:

I loved the Sparky and Shrieky nicknames.
While it was funny, Cat figuring out Barry was The Flash while standing in front of Kara made her look dumb, and that was a little insulting to her character. I'm starting to think she secretly knows Kara is Supergirl.
The race to see who's faster was fun, but next crossover I want to see an eating contest.

You know this is one you'll want to see again, so watch Supergirl online and find all the references you might have missed the first time!