Aim is the name of the game as best friends take on cousins in a series of squirting, throwing and stacking challenges. The teams are neck and neck, but when the buzzer rings only one moves onto the final round.
It's twins vs. brothers in a series of messy challenges that include wet diapers and water shoes. While it's a tight matchup, it's the brains of one team that propels them into the final round.