Simms had only been dating Messer for a few months when she discovered she was expecting twins.
Cook and Robinson ran off and got married on the show, but they've since divorced.
Bookout gave birth to their son, Bentley Cadence Edwards, on October 27, 2008.
Following the birth, the episode focuses on Bookout and Edwards' relationship struggles with each other due to Bookout having to carry most of the parenting load.
The bad: He hasn't matured a bit since we first saw him on in 2009.
Corey Tyler Simms and Leah Messer began dating in 2009.