Paper or Plastic? - S9.E12

Lucy, upset that the family hasn't given her any gifts for the baby, convinces Matt to take her shopping even though she is supposed to be staying off her feet. While shopping, the two get stuck in an elevator and Lucy goes into labor, putting Matt's medical skills to the test. Meanwhile, Eric and Annie are busy getting the house ready for Lucy's surprise baby shower and become concerned when Matt doesn't have her back as planned. Kevin shows Ruthie that he bought a house for Lucy, and Ruthie mentions to Kevin that it will upset Lucy as he didnt consult her first.

In the end, Lucy has a healthy baby girl in which she names Savanah, after the location of Kevin and Lucy's honeymoon.