Who's the Smartest? (S01E02)

Victoria, Tyler, and Melody from "The Brainy Bunch" compete against Ethan, Devananda, and Connor from "The Superlatives." In a unique twist for "Genius Junior," twin brothers Tyler and Ethan will go head-to-head. The first challenge, Human GPS, requires the teams to memorize the New York City subway system. They will then tackle Number Cruncher, Talking Dictionary, and Memory Master, before culminating in the final showdown, "The Cortex."