If you get C. Round's attention in the overworld and then quickly move in the opposite direction, it will have some weird behavior where it will stop animating and then try to chase you, only to get stuck partway through the room.

If you get C. Round's attention in the overworld and then quickly move in the opposite direction, it will have some weird behavior where it will stop animating and then try to chase you, only to get stuck partway through the room.