More than three dozen doctors are on hand for the arrival of quadruplets in Philadelphia.

Mommies Jennifer and Robin already have their hands full with three-year old triplet boys, and the nerves are settling in for the arrival of another set of multiples -- twin boys! How will this couple settle into the chaos in store?

Willard and Janeka Butler are preparing to add twins to their family of four. When the two new bundles of joy come two weeks earlier than expected, any sense of order goes right out the window.

Jacki and Al already have their hands full with three-year-old Gabriella and six-year-old Joseph. A year after Jacki's gastric bypass surgery, she receives the biggest shock of her life -- she's pregnant with twin boys!

Laura and Corey, who already boast one seven-year-old daughter and a set of 21-month-old twin girls, are ready to welcome another pair of twins into the mix.

Imagine being pregnant with triplets and not finding out the sex of the babies? But the gender conversation takes a back seat to Kevin and Kristi's anxieties in the delivery room. Four days post-birth, the Dwyers are anything but ready for homecoming day.