Sophomore year is off to a good start for the girls until Katie twists her ankle. That gives Alexa something else to focus on while waiting to hear from her doctor.

Katie is thrilled when chosen to study acting in London. But the $2,000 tuition is way out of her financial range. So she takes on a series of odd jobs trying to come up with the money to send her to the UK.

Alexa gets the doctor's OK to play basketball but struggles on the court. A heart-to-heart with another young cancer patient reminds her of how far she has come.

When Alexa and Dylan get into a fight right before the big Halloween party, Katie's sure she can fix it. But what if they're not meant to be together?

Alexa claims she's fine -- so the girls take her shopping for a Sweet 16 dress. Back at the house, a stressed-out Lucas goes to Dave for dating advice.

When Katie needs help prepping for a math midterm, Alexa offers to ask Dylan. Meanwhile, Jennifer still doesn't know her daughter has a job.

Alexa's working overtime to keep Christmas on track. But finding her old hospital bag stirs up memories that throw her off her holiday game.

It's New Year's Eve, and a bold new Katie is finally ready to confess her feelings for Ryan. Cue the fireworks -- and a flaming espresso machine!

An expensive mistake means Katie can't afford to go to London. But she's keeping it a secret so she doesn't ruin Alexa's epic birthday party.