Mandy is very afraid of the dark, she thinks scary monsters are hiding underneath her bed! But Tommy's never been afraid before, so what does it feel like? To find out, Tommy uses his magic bubbles to shrink Mandy and Andy, sending the group on an expedition underneath the bed.

After losing his pacifier, Andy goes to Mandy for help. But there's one problem, Andy can't talk just yet! Trying his best, Andy refers to the pacifier as "ummy". With the help of his magic bubbles, Tommy brings his panda friends to a computer that knows all languages.

When Mandy and Andy refuse to share their toys with each other, Tommy has an idea. He takes them to a place where everyone is stubborn and doesn't compromise!

Tommy & friends meet Quackeline the Fairy and learn to care for one another.

So they won't have to share their toys, Mandy and Andy become pirates!

To help Mandy with her puppet theatre, Tommy brings in two of the best experts: Bustler and Patience.