The eighteenth episode of
Supergirl is called, “World’s Finest”. If memory serves, that is the name of
some famous comics from way back when. This is also the episode that officially
puts “Supergirl” in the “Arrowverse”, along with “Arrow”, “The Flash”, and “Legends
of Tomorrow”. If you’ve been watching “The Flash”, then you know that Barry
Allen (The Flash) is able to travel through time. He’s also recently discovered
that he can travel through different dimensions. Unfortunately, I believe that
Supergirl takes place in one of these other dimensions, instead of the same
dimension as the other CW shows.
The episode picks up right
where last week’s episode left off. Siobhan is with the DEO, where they’re running
all sorts of tests on her. Kara is still dealing with the fallout from her
attacks on the public. No one really knows why Siobhan suddenly got her powers
and she’s frustrated. We also see Lucy interrogating Livewire, who we haven’t
seen in months.
I’m pleased to see Cat and
Kara back on seemingly good terms. They ponder over Kara’s love life before
Siobhan, plagued with her new powers, waltzes in. She has some sort of sonic
boom and uses it on Kara, which knocks her out as she falls out of the building.
However, before she hits the ground, something (or someone?) stops her,
speeding off. As soon as I heard the theme music, I got all excited! After catching
up with The Flash, Kara and he both realize that neither has heard of the
other. Again, if you’ve been watching The Flash, you know that there are alternate
universes. It’s the only way they can explain away the “where’s Superman” issue
in those CW shows, really. Also, if you’ve been watching The Flash, you’re
going to scratch your head because currently, it makes no sense for Barry to
even be wherever he is right now. They better explain this pronto!
So, Barry’s explaining the “multiverse
theory”, which is one of those popular DC Comics things, really. You can totally
tell that James is jealous of Barry, who is the “fastest man alive”. For someone
who left Metropolis because he was tired of living under Superman’s shadow,
this one has got to sting a little. Siobhan visits an aunt, who seems to have
an idea as to where her power might be coming from. After talking with her
aunt, Siobhan gets the idea to team up with Livewire. Knowing that she can’t
take both on by herself, Kara asks Barry to take care of Livewire. He agrees.
So, the two of them, after
finding out where Livewire is located, try and take her on together. Barry is
used to a plan, Kara just sort of punches her way through things. You can
already tell it’s not going to end well for the two of them the first time
around. And sure enough, Barry makes the mistake of using her lightning to
charge Livewire. Siobhan has transformed into the Silver Banshee. Still, Flash
and Supergirl aren’t enough for Livewire and Silver Banshee, so they retreat. I
do want to make a quick mention of the fact that Kara tried to help both Silver
Banshee.
So, Barry and Kara have a bit
of a pep talk, where Kara admits that she rushed in without a plan all because she
wants to prove herself to the people of National City again. Barry, after
benefiting from the same kind of wisdom, tells Kara that she needs to slow
down. While all that is going down, Livewire and Siobhan reappear at Catco. Winn
tries desperately to appeal to Siobhan’s better nature. It doesn’t work. They
kidnap Cat and taunt Kara. Barry, being the Good Samaritan hero that he is,
tags along.
So, the four of them duke it
out. Livewire and Banshee eventually get the better of them, however. Using her
electricity, Livewire electrocutes Kara, but not before she saves a group of
citizens. It’s the people of National City, however, who really save the day,
as they surround Supergirl and eventually use Livewire’s abilities against her.
It’s time for Barry to try and
go back to his earth. Using Kara’s speed as well as his own, she slings him
back to his earth (like those pesky breaches from earlier in the season of The
Flash). He seemingly makes it back to his earth. It was an offhand comment,
about Infinite Earths, but according to the theory, if two earths manage to
vibrate at the same speed, then they can be one, or something.
Kara and James share their
first kiss. However, his reaction is less than enthused. Eventually, it’s shown
that that Myriad thing is to blame, as James isn’t the only one affected (they’re
like mindless zombies). I have to assume that this is due in part to Kara not
being of earth. We are greeted by Non once again.
World’s Finest was a very good
episode, if you’ve never watched The Flash. Kara was able to win back public
support, and we learned about more earths. I’m hoping that this crossover wasn’t
a one-time deal and that it has lasting impressions on the rest of the
Arrowverse, namely, finding a way for Barry to get back to Earth-2 (what better
way than to use Kara again). And if we can get a world where both Kara and
Barry exist at the same time, we get much closer to a Justice League on TV!
Supergirl airs Mondays at 8pm Eastern Standard Time on CBS.
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