Leah Tells Corey About Her New Boyfriend! Teen Mom 2 Season 3, Episode 6 Sneak Peek (VIDEO) Tweet December 11, 2012 at 02:30PM EST by Wetpaint Entertainment Staff Related: Teen Mom, Relationships , Sneak Peeks , Leah Messer , Corey Simms , Jeremy Calvert , Teen Mom 2 Season 3 Get More: Teen Mom 2, Full Episodes Credit: MTV Leah Messer has some big news, and his name is Jeremy Calvert. So how does her ex-husband Corey handle the news? His reaction may surprise you! Original Air Date: Teen Mom 2 Season 3, Episode 6: "A Leap of Faith" airs on Monday, Dec. 17, 2012 at 10 p.m. ET on MTV.