The matriarch of the family is celebrated in a big way - On the eve of Kelly Jo getting surgery, the Bates kids throw her a surprise birthday party! It's an emotional moment for the mom, when all of the kids share favorite memories and give love and support before her big operation. Lawson works with a K9 trainer to see if his new German Shepherd puppy has what it takes to become a search and rescue dog for Law enforcement, while Bobby and Tori celebrate Kade's 2nd birthday with Bobby's parents. Later, Nathan has a heart to heart with Gil and Kelly Jo and opens up about his feelings for his new girlfriend. Are his bachelor days a thing of the past?