Get to know Winston, a tiny abandoned cub who imprints on Judy as she nurses him 24-7.

Celebrate as a newly arrived trio of sisters teaches Winston about friendship.

Bone up on outdoor skills as Winston and the X girls move into their new fresh-air enclosure; witness Yasmine and Yara's kindergarten power struggle.

Navigate rain, new climbing structures, and a first meeting of the summer cubs.

Spy on the summer cubs as they learn to climb trees and forage for food in preparation for their release into the wild; get surprised by a set of new arrivals, observe the annual pre-hibernation eating binge and enjoy a bear-friendly Thanksgiving.

Prepare for the summer cubs' release with Roger; meet Ace and Little Blueberry, two newbies with serious health issues who will have to stay over the winter with the Z cubs; six happy, healthy bears embark on their new lives in the wild.