Stoneybrook delights in a day of glitz and glamour as Kristy's mom prepares for a big day. Later, Kristy hits a major milestone, much to her surprise.

As competition heats up for the BSC, Stacey attempts to hide a personal secret and revisits a painful event from her past.

After dealing with a major dad dilemma, Mary Anne makes a dynamic new friend. Later, a medical emergency puts her caretaking skills to the test.

A heartbreaking turn of events redefines Claudia's life and — with loving support from her friends and family — pushes her out of her comfort zone.

A family emergency triggers an emotional feud between Claudia and her older sister. Elsewhere, Mary Anne works to hide her feelings.

Worlds collide — and tension boils over — when Mary Anne and her dad move in with Dawn and her mom. The BSC plans a major party for Mallory's sister.

After moving in with Watson, Kristy navigates a not-so-warm neighborly welcome. The BSC helps Mary Anne define her post-camp relationship status.

As Stacey deals with a new normal, Kristy leads a crucial search, Dawn and Claudia start a revolution, and Mary Anne finds her place in the spotlight.

The BSC braves the great outdoors at a summer sleepaway camp, where they explore archery, theater, activism ... and a dash of chilling mystery.

A slumber party quiz sparks intrigue, uncertainty and an awkward beginning for Claudia and Mallory. Elsewhere, Kristy learns to let go of control.