Teen Mom 2 Season 4 Bonus Footage: Barbara Takes Jace to Look at Snakes Tweet February 18, 2013 at 11:30PM EST by Wetpaint Entertainment Staff Related: Teen Mom, Teen Mom 2 , Bonus Clips , Jenelle Evans , Jace Evans , Teen Mom 2 Season 4 Teen Mom 2 Get More: Teen Mom 2, Full Episodes Credit: MTV Jenelle's mom Barbara takes Jace to a local serpentarium in this unseen footage from Teen Mom 2's Season 4 premiere on Feb. 18. Can you believe how grown up he is?!