One by one, Twilight and her friends must come to terms with the consequences of being the Elements of Harmony.

These stories take place in the intervening time between Season One and Season Two,
with the exception of Ditzy Doo: Muffins, which takes place early in Season One.

The series continues in the sequel, Secrets and Lies.

Pony Psychology has a TV Tropes Page.

A blue box has fallen out of the sky, and crashed right into Twilight's Library! A strange brown stallion, calling himself the Doctor stumbles out. Soon after, strange stone Pegasus are everywhere, one of resident weather ponies has vanished, and Twilight is tossed in the middle! The Doctor and Twilight have to find out what's going on, before it's too late!

A visitor arrives in Equestria, bearing a wealth of knowledge and a troubled past. The Mane 6 are quick to befriend the stranger, who helps them to discover what they truly value in life, and how to achieve it.

But learning to overcome their fears and achieve their desires comes at a steep price, paid by their innocence.

Fluttershy is your typical pony. Kind, caring...and lonely. When a new colt comes into town and takes a local Bandmaster job, Fluttershy finds him strangely attractive...

War comes to Equestria: with despair, with starvation, with suffering and with sacrifice. And the ponies must learn how to keep true to their values while surviving not just the rigors of battle, but the desolation of total war.