It's graduation day, and Mrs. Appleby's class tries to answer the question "What's the best thing about kindergarten?" but Mrs. Appleby has a secret answer of her own.

Harry has trouble keeping his hands off his classmates until Tina thinks of the perfect piece of gym equipment to teach him about personal space.

"When Mrs. Ampersand announces that she'll be leaving for the rest of the year, and the substitute is just not as good, Mabel decides to take matters into her own hands"--

When Chester the raccoon is reluctant to go to kindergarten for the first time, his mother teaches him a secret way to carry her love with him.

Arnold, who is nervous about his first day of kindergarten, transforms himself into Super Saurus to face what turns out to be not so frightening, after all.

Leo, a quiet kid who is not ready for his first day of kindergarten, ends up having a great day when he makes a kindness pledge and discovers he knows a lot about being kind to others.

"Spring has sprung in KINDergarten! Flowers grow just outside the classroom. The trees are budding, and even baby birds begin to chirp, but Mason isn’t feeling very cheerful. Mason sees her friends getting better at everything, but she doesn’t think she can do anything right. But Mason's favorite teacher Ms. Perry has an idea... a growth chart! It’s not like other growth charts that measure how tall children grow, it’s a place for students...