In the season three premiere episode Jenna's junior year brings a wave of surprises and changes that potentially will impact her future in an indelible way.

Jenna's father takes matters into his own hands to talk to Matty's parents about their kids' relationship.

When Matty moves in with the Hamiltons, Jenna discovers that cohabitation may be more than she bargained for.

A challenge from Mr. Hart forces Jenna to expose herself publically and in the process, she is confronted with some disturbing newfound revelations about herself.

After a late night coffee with Collin, Jenna can't stop thinking about him and what it means to have a crush as well as a boyfriend.

After an impulsive make out with Collin, Jenna resolves to end her infidelity before Matty finds out.

Sadie's idea for Val's After School Special production rubs Jenna the wrong way.

Jenna's family and friends decide that it's time to show her some tough love.

Lacey starts her new job at Palos Hills and Jenna has a wake-up call that puts everything almost back to normal.

After Matty asks for permission to take Bailey to prom, Jenna reevaluates who she has become and who she wants to be.