Part 1

9.3

.

2018

.

13 Episodes

Alexa is battling cancer. But with her best friend, Katie, by her side, she's also starting high school -- and ready for whatever comes next.

Part 2

8.9

.

2018

.

10 Episodes

For best friends Alexa and Katie, sophomore year brings budding romance, a birthday milestone -- and big lessons they'll never forget.

Part 3

9.1

.

2019

.

8 Episodes

Junior year is finally here for Alexa and Katie with new relationships, surprising friendships and big decisions on the horizon.

Part 4

10

.

2020

.

8 Episodes

Summer's over, and Alexa and Katie are starting their senior year. They've been through so much together — but there's still more to come.