It's Sister bonding time! Erin, Tori, Carlin, Whitney, Josie and Katie join together for a self defense class and engage in a little friendly competition! Meanwhile, Gil has many young Bates drivers behind the wheel, he gathers the kiddos for a "Car 101" lesson. Later, it's double date night for the married couples! Since Erin and Zach have a serious appreciation for cooking, they convince Whitney and Chad to join them for a cooking class!