Watch Genius Junior

Nile, Reagan and Akshansh of "Legen Wait For It dary" take on Treasure, Sebastian and Apoorva of "The Fast and the Curious." For the Human GPS round, contestants memorize Greyhound bus routes across the United States, before moving onto Number Cruncher, where Akshansh plays as the Super Brain for his team, while Apoorva plays as the Super Brain for her team. The teams then take on Talking Dictionary then ultimately, "The Cortex."

Vinay, Lillian and Bryan of "The FOGS" go up against "Michi, Jackson and Ugochi of "Geeks on Fleek." Contestants memorize the intricacies of the San Francisco streets for the Human GPS round. The FOGS nominate Vinay as their "super brain" to handle the Number Cruncher round. Then, the teams take on Talking Dictionary and ultimately, "The Cortex," the final test of all-around smarts.

99 Problems but Brains Ain't One and the Cheese Cabinet compete in four rounds - Human GPS, Number Cruncher, Talking Dictionary and Memory Master - in hopes of moving on to The Cortex and, eventually, the finals, where a big cash prize is at stake.

The kids of the Brainy Bunch and the Superlatives compete in four rounds - Human GPS, Number Cruncher, Talking Dictionary and Memory Master - in hopes of moving on to The Cortex and, eventually, the finals, where a big cash prize is at stake.

Rodrigo, Ashley and Shivani of "The Dork Side" go up against Sebastian, Michelle and Aiden of "Team on a Roll."