A homemade snow scooter leaves Michael feeling frustrated.

Michael feels abandoned on Halloween when Addy gets invited to a friend’s party, and Karl decides to stay in because he’s afraid of ghosts.

While helping Stillwater make treats for the Winter Solstice Festival, the kids learn he plans to share some with a neighbor they’re wary of.

Addy is disappointed about not getting a lead role in the school play.

Michael is upset when Karl trades a rare game card.

An unwelcome summer rain gives Michael a new perspective on fun.

Karl and Koo think of ways to make their playdate last forever.

Stillwater is anxious about everything he has to do before his trip.

Stillwater shows the kids his worm farm and other things he does to live green, which inspires them to come up with more ways to help the Earth.

Addy feels betrayed when her best friend spends time with someone else.

The arrival of Stillwater’s niece Koo has Karl feeling a bit unseen.

Michael becomes determined to make the perfect paper airplane.