Episode 10 "Back to School Special" (September 2, 2008)
Amy decides on her future school plans. Adrian's mother encourages her to have a relationship with her father. Alice and Henry's relationship deepens.
Episode 11 "Just Say No" (September 9, 2008)
Adrian's father calls the police after his daughter disappears from school. Grace is warned about Ricky, and is pressured to keep wearing her purity ring. Amy starts the second trimester of her pregnancy. Amy and Ben consider the next step in their relationship.
Episode 12 "The Secret Wedding of American Teenager" (January 13, 2009)
Amy and Ben decide to get married.
~Thanks to Wikipedia~