Undertale - the anime.

sans is wearing a tux for prom and hes so much smaller than papyrus.

dude those some nice pink slippers man

Gaster is hip with the kids and skateboarding.

Gaster isn't sure why his hand has a hole in it.

Cute kitty lady with lots of flowers!

Frisk asking why the piano is on fire, and Flowey is informing that piano sucks

M bro n i we skelepuns

OH GOD UH UNDERFELL SANS IS CRYING AND FRISK WAS MURDERED

Sans asking Frisk to hide him from the wall. Papyrus must be behind it.

MTT Brand clothing- A MTT fashion show with Frisk starring as a model

Sign language teacher Gaster - with a fried egg?