Sunny is an eager little boy who loves school, except for science class. Mrs. Pluto, Sunny's science teacher always tries to make her class interesting but every day Sunny falls asleep.

As Mrs. Pluto starts her class, Sunny lays his head on the table and falls right to sleep.

Alright class, we are learning about the solar system today!

Sunny's dream blasted him off into space far among the stars.

Sunny's rocket ship lands and outside his window he sees something moving. Sunny decides to go outside to see what it is.

Hi friend! Welcome to Mercury! My name is Uno and this is the smallest planet in this solar system!

Sunny's rocket ship lands and outside his window he sees something moving. Sunny decides to go outside to see what it is.

Hi friend! Welcome to Venus! My name is Dos and this planet is the brightest planet in the night sky!

Sunny's rocket ship lands and outside his window he sees something moving. Sunny decides to go outside to see what it is.

Hi friend! Welcome back to Earth! My name is Tres and this planet is the only habitable planet in the solar system!

Sunny's rocket ship lands and outside his window he sees something moving. Sunny decides to go outside to see what it is.

Hi friend! Welcome to Mars! My name is Cuatro and this planet has the tallest mountains out of all the other planets!

Sunny's rocket ship lands and outside his window he sees something moving. Sunny decides to go outside to see what it is.