Teem Mom Series Finale Preview: Farrah Struggles With Depression While Sophia Is Away (VIDEO)

Next week on Teen Mom, Farrah struggles with depression while Sophia stays with her grandma in Iowa. Thankfully, she makes a new friend who helps keep her busy.

Teen Mom Season 4, Episode 12 airs on Tuesday, August 28, 2012 at 10 p.m. ET on MTV.