Karl builds a spaceship but no one thinks it will fly.

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

Addy gets frustrated with Karl for not sharing a game.

Karl receives a toy robot that isn't what he expected.

Karl and Michael feel bad after accidentally soaking Addy with water balloons.

Karl feels left out when Michael and Addy build a go-kart together.

Michael is hired to pet-sit a neighbor's dog for the weekend.

Things don't go as planned when the kids try to watch a lunar eclipse.

Addy feels sad after losing a cross-country race.

Karl is unwilling to give up his favorite shirt, even though he’s outgrown it.

Karl is afraid to visit a barber for the first time.

Michael becomes determined to make the perfect paper airplane.

Addy looks forward to a peaceful painting session with Stillwater.

Karl finally ties his shoes by himself but worries he won’t be able to do it again.

Karl faces his fear of crossing a creek in the woods.

Michael sees that Addy looks sad and wants to cheer her up.

Karl accidentally breaks a branch on Stillwater’s cherry tree.

The kids try to protect their sandcastle from being washed away.

The kids think it’s Stillwater’s birthday and plan a surprise party.

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

Michael is upset when Karl trades a rare game card.

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.