When a prehistoric "cave sponge" is accidentally unfrozen in Bikini Bottom, he causes massive destruction that is mistakenly blamed on SpongeBob. Only SpongeBob can communicate with this wild ancestor to clear his name.
: While on a nature hike, SpongeBob uses hot chocolate to melt ice in a cave to free Patrick's tongue, inadvertently unfreezing Spongy Spongy , a prehistoric sponge. [S11E5] Cave Dwelling Sponge
: Spongy Spongy follows SpongeBob into town, fascinated by the "squeaky" sound of his shoes. He mimics SpongeBob’s movements but causes chaos, leading the police to arrest SpongeBob for the property damage. When a prehistoric "cave sponge" is accidentally unfrozen