Bryan and Jenny turn to the experts as their sextuplets head toward the terrible twos! Mom and dad get professional advice on disciplining six increasingly individual personalities. Swimming lessons become a family affair when each of the babies needs their own adult to join them in the pool. Meanwhile, Bryan heads to the diet doctor for his final weigh-in, and gets a big surprise. And Jenny comes face-to-face with the fact that her little ones won't stay that way forever when they start climbing out of their "baby table for six" and she has to admit they've outgrown it. Finally, a trip to a wildlife preserve shifts Bryan's protective-daddy impulses into high gear when the babies come face-to-face with a giraffe and a python!