The chilly season leaves Square feeling sad, so Circle and Triangle try to cheer him up by creating a new holiday: Yeti Night.

After Triangle pranks them, Circle and Square celebrate Halloween on their own with all treats and no tricks.

Square makes a mistake while sharing rare bananas. Triangle and Square attempt to keep a secret from Circle.

Eager to outwit Triangle, Square plans a sneaky surprise. Circle searches for answers when a critter kidnaps her prized plant.

A simple plan leads to an enormous project for Triangle. Square works on a sculpture of Circle.

Circle and Square learn how to celebrate a unique holiday. An approaching storm excites Triangle—and worries his friends.

Triangle and Square find mysterious bottles on the beach. While playing hide-and-seek, Square discovers a peaceful spot.

The fearless Triangle sets out on his own. Circle leads a journey to ancient ruins and unexpectedly runs into trouble.

A change of plans tests Square's patience. Circle helps Square start a garden, but she struggles with his instant success.

When Circle brushes off their game, Triangle and Square feel insecure. A mysterious meteor crash inspires a trek across the island.