A look behind the scenes at the entrance exams at Princess Celestia’s School for Gifted Unicorns.

Pinkie Pie shows Twilight Sparkle how to generate energy the earth pony way. Twilight has concerns about long term safety.

The events which took place at Princess Celestia's School for Gifted Unicorns in the immediate aftermath of Twilight Sparkle's entrance test.

Can you make a rainbow just with sunlight and water?

Twilight Sparkle and Starlight Glimmer are big fans of buckball.

Rainbow Dash's first sonic rainboom hits the headlines across Equestria.

A look inside A.K. Yearling's mailbag.

Every pony princess should learn how to raise a moon. Luna gives Twilight a practical lesson in orbital mechanics.

Following Twilight Sparkle's explanation of the scientific method, Diamond Tiara says the sonic rainboom is a scientific phenomenon. Scootaloo insists it is magic. The Ponyville schoolhouse is the scene for an unprecedented intellectual dispute.

Luna engineers a total solar eclipse.

Maud and Pinkie Pie explain all about the rock cycle.

Rarity is visited by herself from the future.

Fluttershy performs a waggle dance to invite her bee friends to a tea party.

Twilight and Moondancer set out to educate their friends about the history of philosophy by using the Haycartes method.

Once upon a time on a rock farm, two sisters bond over a piece of geometry.