Yes, it felt different from other100episodes, but aside from the sad moments it was kind offun.

People were losing their minds that they would never be on the Ground again.

He was so haunted by his demons that he took a metal hook and murdered 11 people.

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Credit: Diyah Pera/The CW

He gutted them with a hook and strung them up in the mess hall.

Why is everyone we know now so American?

Anyway, after telling his ghost story, Miller goes outside to go to the bathroom.

Bryan goes to check on him, and theres another thump.

Harper vacillates between being scared and yelling at the guys for playing a joke on her.

And then a scary Grounder jumps out and snatches her up as she screams bloody murder.

Did I mention this was all happening during a thunderstorm?

Problem is they cant get them on the radio, and only we know why.

NEXT: How do you stop an A.L.I.E.?

became dangerous because she thought the worlds problem was overpopulation, A.L.I.E.

then blew up the world because of said problem, and Rebecca was developing A.L.I.E.

2.0 to atone for her sins.

Raven says the second AI was designed as a way to merge with the mind.

They need to get to Luna, so she can access A.L.I.E.

2, so they all can figure out how to stop the evil A.L.I.E.

Which brings us back to Lincolns sketchbook, where he had info about Lunas whereabouts.

Jasper and Octavia find it immediately, but being around Lincolns things is too much for Octavia.

She cries and then throws things across the room in anger.

Marie Avgeropoulos is really selling these emotional scenes.

But she says that warriors dont mourn until the war is over.

And the war isfarfrom over for her.

Because right then, the Grounder who took the cave kids knocks out Jasper and strangles Octavia.

Clarke tries Blood must have blood in English and Trigedasleng.

Monty tries Seek higher things, the motto of Rebeccas company.

It doesnt work, but Raven says the phrase could be in Latin.

They need to find a host, i.e.

Luna, to get to enter the code.

Monty thinks its a bad idea to follow creepy music, but of course Clarke forges on.

Before they know it, red smoke fills the hall and knocks out both of them.

Its not a Grounder at all, but Emerson.

She cries as he dies, and then Emerson grabs her from behind.

Emerson says if she comes to the airlock without weapons, hell let her friends go.

Bellamy has a better plan: She goes and distracts him; hell shoot Emerson.

Did you really think Id be happy with just one life in return?

He slams the airlock shut, and the oxygen starts depleting.

He asks if she has any final words.

She does: ascende superius.

She sticks the chip onto Emersons neck, where it burrows in and makes him bleed out and die.

Clarke is able to get the airlock open just in time to save her friends.

Before taking off on their mission to find Luna, the group takes time to mourn their friends.

Bellamy retrieves Lincolns body for Octavia in one of the episodes most heartbreaking scenes.

The next day, Raven and Monty tell the group theyre staying behind.

Plus, shes in a lot of pain and would slow them down.

Miller, Bryan, and Harper stay behind to protect them.

Which means that Clarke, Bellamy, Jasper, and Octavia are off to find Luna.

And they couldnt be going any sooner because things are not looking so great in Polis.

Emori has made her way to the capitol, where shes posing as a vendor who cooks rats.

She heard rumors about Hedas handsome Skaikru flamekeeper, and she knew it had to be Murphy.

He even tells Emori the truth about sleeping with Ontari a move Im very proud of Murphy for.

Emori doesnt seem to mind.

Who could blame her?

I was so happy for this reunion.

I should have known happy cant last in this world.

Later, when Ontari is hearing from people in her chambers, Jaha comes in.

You dont have to be a false commander, he tells her.

He tells her he learned this from her false flamekeeper.

Murphy swears he didnt tell Jaha anything, but then Emori enters the room.

Shes in the City of Light.

Jaha and Ontari stand beside the throne becauseA.L.I.E.

is seated on the throne.

Luna, I hope youre out there.

What did you guys think of Demons?

Were you digging the scary movie vibes?

Did you cry every time Octavia did?

Are you ready for Murphy to pair up with the other 100 kids and take down A.L.I.E.?

Share your thoughts below, or find me on Twitter@realdalener.