Simpsons - Where Did Lisa Go?

This is not something I think can be explained very briefly, which is why I am posting this on Tumblr instead of twitter.
I was scrolling through simpsons clip videos on youtube out of pure boredom, and I saw a video in my recommended tab. The thumbnail was a random simpsons stock image, and the username of the uploader was something like “simpsons full episodes free” or something like that, I don't really know. But the PFP was also a stock image of bart. The video's title was nothing special, just a bunch of keywords with the season and episode but I remember the season was way over the actual amount of seasons that the real simpsons show has as of writing this. 
The actual show has 34 seasons by the way. 
Another thing in the title was that the episode number was 30. Thing is, most simpsons seasons have 22 episodes, but it did have some over or under. But it never reached THAT high over 22. However, the first thing in the title was “Where Did Lisa Go?”
I clicked it, and this is what I remember from the video:
The video started with the normal simpsons intro. Thing is, in the scene in the intro where Lisa plays a solo on the saxophone and walks out of class with the door closing behind her, the frame stays still and silent on the closed door for an uncomfortable amount of time before continuing. The couch gag depicted was one obviously not from the current year because of the quality, but it was that couch gag where they got painted onto the chairs. The TV screen title card reads “Where Did Lisa Go?” in an entirely different font and being cyan instead of yellow.
The episode starts with Lisa at school during math class. Edna Krabappel is the one teaching, despite her having died in season 25, episode 3. Lisa looks out the window with a confused face. We get a very long, silent, uncomfortably long shot of the outside of the class. Behind a tree visible behind the window, a silhouette steps out. It looks directly at Lisa. Cut back to Lisa, staring in awe instead of confusion like before. 
Once recess starts, Lisa looks around for the silhouette. Once she notices it, she immediately attempts to get far away from it. Random scenes of Lisa outside during recess from earlier on in the series are shown, though sometimes being edited so that Lisa gets caught off guard and goes back to staring at the silhouette. This little back and forth continues repeating (some of the clips are repeated) until Lisa looks back in awe again, and walks forward.
It shows a side view of Lisa walking to the silhouette, and the second she reaches the thing, it leaps at her and the screen cuts to black. It cuts to the tree, with Lisa and the silhouette gone. 
A little time card shows up with the words “Three weeks later”.
The screen fades into what seems to be a missing poster with Lisa’s face on it. We cut to a shot of the outside of the simpsons home. Marge is crying in her room. It just stays on a shot of her crying for a very long time. The next shot is Homer walking in, sitting down and not turning on the TV. He just cups his head in his hands, with his eyes blankly staring at the floor. Bart is in his room, sitting on his bed. He looks forlorn, probably due to his sister’s disappearance. The last shot that appears was just Lisa’s room entirely empty.
Another time card appears, and it reads “two days later”.
Marge is seen getting up and going to the basement. The entire time this happens, she has a blank look on her face, the only emotion being the bags under her eyes. Once she goes into the basement, she pulls out something from under a table. A shotgun.
She loads it with shells and places it below her chin, and there is, yet again, a very long and uncomfortable pause. Then, before Marge can pull the trigger, she hears a voice somewhere that makes her stop dead in her tracks.
“Mom! I’m here!”
She quickly hides the gun back where she put it and runs into the hallway. Lisa is there. Except, something is very wrong.
First off, the whole background is very darkened and distorted. Second off, she isn’t looking at Marge. She’s just staring. Thirdly, Lisa seems stretched out, like she was just stretched in photoshop. And lastly, her pupils are not there, just a white slate where they should be.
Marge seems to notice none of this, too distracted by the idea of getting her child back. That is, until a large, low pitched booming voice is heard. White text appears on screen acting as subtitles for the voice.
“dont you want your little girl back?”
“She is right there. Go on, make her happy. She is sad. Make her happy. Go to her. GO TO HER.”
Marge immediately brushes off the voice and Lisa’s different appearance, seemingly too distracted with the prospect of getting her child back. 
“LISA, SWEETIE! COME HERE, MOMMA’S HERE! WHERE HAVE YOU BEEN? ARE YOU OKA-”
Marge stops dead in her tracks.
Lisa suddenly turns to face Marge. Her jaw snaps, and lowers to impossible proportions. Her jaw hits the floor as he stays standing. Suddenly, the silhouette from the beginning of the episode crawls out of Lisa like she was some kind of costume. The farce of Lisa folds like an actual costume once the silhouette fully crawls out.
“You’re not my daughter.” Marge says.
“Y-YOU’RE NOT MY FUCKING DAUGHTER! GET THE FUCK AWAY FROM ME! WHAT DID YOU DO TO HER, YOU..THING!!?? GET AWAY FROM ME!!!”
No response from the creature.
“I’LL FUCKING KILL YOU!!”
Homer wakes up from his slumber and walks outside, getting to where Marge is. His tired but also concerned expression turns to full-fledged terror. He says, under his breath, in a whispery barely audible tone,
“Oh god.”
Suddenly, the creature lunges at the two of them. He first attacks Marge, punching her in the face so hard blood comes flying out of her mouth. Homer is immediately angered and horrified.
“DON’T YOU FUCKING TOUCH HER, YOU SON OF A BITCH!”
Homer tries to strangle the creature, and ends up successfully tackling them to the ground. But something happens. A spike appears from both the stomach and torso of the silhouette, piercing Homer through the chest and head, instantly killing him. We don't see the spikes actually collide with Homer, but it cuts to the wall displaying the shadows of Homer’s demise. Marge gets up, and sees Homer’s dead body laying on the ground, and is horrified. She lets out an ear-piercing scream, and runs away. 
However, she does something clever. She runs to the basement.
Once she grabs the shotgun and situates herself at the bottom of the stairs, she stands there waiting for the silhouette. As soon as the door opens and the silhouette appears at the top of the staircase, the white text appears for a single frame.
“I HAVE ALREADY TAKEN TWO OF YOUR LOVED ONES. SUBMIT.”
Marge immediately fires. Over. And over. Nothing happens to the silhouette. All that’s left from the shotgun is empty clicking noises. Marge’s face immediately turns to one of horror, and the silhouette just walks towards her unphased. The silhouette pushed Marge to the floor, leaving her screaming on the bottom of the basement. The silhouette walks over to Marge, kneels down, and grabs a hold of one of her eyes. The last frame before an abrupt cut to black is her eye being dislocated from her skull.
Long pause.
We cut to a forest on a cloudy and windy day. The leaves are falling and crumbling, and there are so many cuts to different areas of the forest. We cut to a scene that ties the whole thing together.
The silhouette is standing by a tree. Placed down by the tree are skeletons with the Simpson family’s clothing on them. One looking smaller wearing Lisa’s clothing, one being one of the two tall ones wearing Homer’s clothing and the other wearing Marge’s. Doesn’t take a rocket scientist to figure out what that is implying. Another silhouette walks where the silhouette is, and drops a skeleton which is clearly Bart’s. The two silhouette’s stand in the same place, staring at the bundles of bones.
As we cut to the two silhouette’s faces, we hear cracking and ripping. After the noises finish, we see the skeletons fused together into a horrid mass in a humanoid shape. One of the silhouette’s touches the fused skeletons, and a layer of flesh appears around the bones. A silhouette is formed from the bones, gets up, and walks offscreen with the rest.
The second last scene is an extra nail in the coffin. Ralph Wiggum is playing outside of his house, before he looks over to a nearby tree. 
A silhouette is standing behind the tree. Ralph gets up, and walks towards it. The scene ends before he can make contact with it. 
“5 years later”
Various shots are shown, showing the whole town empty, overrun with the silhouettes doing normal things that people would normally do in their day to day. It ends abruptly. The rest of the video is just the Simpsons credits.
I am so goddamn disturbed by this video? Like what the fuck? This channel’s other uploads before this are normal reuploads of Simpsons episodes, and then they just upload THAT out of fucking NOWHERE! What compelled them to make this? What were they smoking when they made this? Can I have some?
I don't know, this video is just REALLY fucking weird. I can't find the video anymore because the channel was deleted (probably due to a copyright strike) and thus the video is now gone.
I don't know what else to add here, so goodbye, I guess. 
Oh, and If you have any info on this, please DM me.
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