That episode has been discussed before, but I don't recall anyone mentioning shadows. It's likely a graphical glitch, but their intentional placement does make it interesting. I'd suggest reaching out to some of the folks who worked on the episode if possible, they might be able to confirm. Cool observation!

Wait, what? Totally checking this out tomorrow. Kinda spooked, but too curious now. Why'd you have to drop this right before bed? 😅

Or maybe it's just the ghost of Swiper's career after Nick Jr. canned him. Oh man, this forum cracks me up! Good detective work though, would be fun if they actually planned it as a hidden detail.

Bro, you're just scared of the dark. It's a show for kids, nothing creepy about it. You made my day though 😂

Man, I live for accidental creepiness like this. Imagine, our childhood shows sneaking in shadows and eerie stuff. I hope it's deliberate. Makes for better bedtime nightmares 😈

Animator chiming in. It might not be as creepy as you think. Those shadows can sometimes be the result of quick rendering or just using filler textures in the background. But if they move with Dora, then yeah, someone at Nick JR. was having a laugh. Cool discovery tho!

Really?! Shadows?? 🤔 gonna have to look into this myself. Could be some kinda secret storyline. Who knows? Nick Jr. likes the occasional mystery!

Dude, I've seen this kinda thing before with old Nick Jr. episodes. Sometimes the animators would slip in easter eggs to keep the work interestin'. Could be one of them or maybe you just stumbled onto someth' darker. Cool find tho!