Not sure I can say much before I can get into the spoilers. It’s a big episode! Read on after the image.

Spoilers

Martian Manhunter! Hank Henshaw’s character, in a huge divergence from comic book canon, turns out to be J’onn J’onzz! It turns out that Kara’s foster father, along with Hank Henshaw, died to save the last son of Mars. They were sent to deal with him, but they found him to be a good guy. Things went sideways, and they ended up losing their lives to let him go. Their sacrifice let him take Henshaw’s place in the DEO.

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Okay, getting back to the cliffhanger from last week, Supergirl’s still powerless. She burnt out her powers in the fight with Red Tornado last week. This gives us a chance to see who she is when she’s not invincible. Of course, this means it’s earthquake time in National City. It turns out she’s strong enough to talk a guy into giving up his gun, even when she has a broken arm. This, of course, leads to a tender moment with Jimmy Olsen, and shows the ugly side of Winn. His jealousy flares, and he refuses to listen. Winn is becoming annoying. He’s carrying a torch for Kara, we know this, but he also knows she doesn’t feel the same way, so why is he trying to bring her down? I hope that behaviour stops, but then, it’s also possibly a gateway for him to turn into Toyman, although I think the possibility of that is remote, simply because there’s not a good way to have him turn bad and still know Supergirl’s secret identity.

Meanwhile Maxwell Lord switches to being anti-Supergirl again, and this leads to Cat stepping in to defend the absent hero.

A lot more happened in this episode, but it was all overshadowed by the reveal of the Martian Manhunter. How he will fit into the series, considering Hank Henshaw is a regular, will be interesting. If he ends up being a mentor, that could work, but I prefer Cat as the mentor. If he’s a supporting hero, that would work best, but if he ends up as Supergirl’s saviour more than once, It’ll ruin the show’s attempts to distance itself from the furore created by its trailer’s similarity to that sketch.

I’ll return with more from Supergirl after the next episode. Let me know your thoughts in the comments!