We Bare Bears (2015)

S4E36 Sandcastle

The Baby Bears are enjoying a day at the beach when they come up with the idea to construct an extravagant sandcastle to serve as their new residence. Meanwhile, Panda experiences his first crush on a girl named Darla (Vivienne Rutherford), who is captivated by their creation. However, their fun takes a turn when Darla's jealous older sisters and cousins arrive, determined to bring her back, forcing the bears to defend their sandy abode.