These heads of powerful talking Olmec rulers were featured in what Nickelodeon show which aired from 1993 to 1995?
Legends of the Hidden Temple:  Created by David G. Stanley, Scott A. Stone, and Stephen Brown, the program centered on a temple that was "filled with lost treasures protected by mysterious Mayan temple guards". Olmec colossal heads: The Olmec colossal heads are at least seventeen monumental stone representations of human heads sculpted from large basalt boulders.
i don't know