Dora, Boots, and the Little Piggies stuck in the mud
The Mud is where Dora, Boots, and two piggies in the wagon got stuck on their way to find Oinky. This sub-place only appeared in the episode Three Little Piggies. and where Dora, Boots, and Jack O'Lantern in the wheelbarrow got stuck on their way to Fall in The Mixed-Up Seasons