Iris, The Happy Professor Season 2, Episode 5: Trains

Butterflies

Seashells

Laughter

Everyone in class is having an uproariously good time laughing at Professor Iris's disguises.

Bees

Flying Machines

Hair

Ms. Principal is unhappy with her new hairstyle.

Elephants

The Telephone

Vacations

Everyone in class has a different suggestion on where they can spend their summer holiday together.

Horses

Why Do I Cry?

Ms. Principal brings her baby to Professor Iris' class. This leaves everyone at a loss at trying to help the baby stop crying.

Cars

The class helps to spruce up a car that Ms. Principal is ready to display at an auto show.

Photography

Minerals

Jungle Animals

The Farm

Flowers

Volcanoes

The Kite

Insects

Evergreens

Eggs

Dogs

I Play Dress-Up

The Voice

In preparation for her concert, Ms. Principal joins Professor Iris in a loud-mouthed lecture on the voice.