Stitch Sans shudders.

He feels the disturbance. Again. Maybe it's time to check and see what it is...

In no time at all he teleports, being a bit short of where the disturbance is coming from. He floats the rest of the way.

It's a cracked Aftertale timeline.

"Oh, no..." Stitch Sans runs a finger over the crack.

Inside, he can see a crack in the menu. You know, the CONTINUED or RESET menu?

Muttering, Stitch Sans waves his left hand, brown magic swirling, and one of his needles comes out of it's sheath and severs the thread.

He clutches the cracked timeline to his chest and floats above the centre timeline.

(KisekiDaYo24) "More people will flood this place... just you wait. We'll be one of them.

Now if you can excuse me I have a drawing to finish..."

"Drawing?" Stitch Sans huffs, "haven't drawn in a long time. Don't need to. Don't have the gear."

Left hand raised, his golden thread floats, brown magic swirling around it, and he connects the centre timeline to the cracked one, closer than the others. 

But how is it cracked? Stitch Sans has never cracked a timeline before. It's one of the early timelines for the Aftertale Universe. Maybe it's so old now? No. None of the Undertale timelines have cracked.

Stitch Sans sighs and, with a wave of his hand, his thread and needle are in their spots.

(Blurple514) "Hey Stitch, up? Okay but in all seriousness, do you know how this whole place was like, you know, created? It's a stupid question yeah."

"How this place was created?" Stitch Sans rubs his head, thinking. "Well...hmm...oh. Well, I'm not exactly sure how, but I have a theory."

He takes one last look at the cracked timeline before teleporting back to the Undertale one, checking the timelines there for any...cracks. None.

Stitch Sans pauses.

"Oh, you were waiting for me to tell you my theory, weren't you? Well, it's a really long story," Stitch Sans says, "really tedious. You've probably got smaller, more amusing questions to answer and my theory will get in the way of that, so...yeah. Tell me anything, ask a question...whatever."