Where DO foals come from? The Cutie Mark Crusaders don't know, but they intend to find out!

Nightmare Moon is back once more and wreaking havoc on Equestria, leaving its towns in total ruin. When the Elements of Harmony have failed in defeating this powerful foe and her army of Diamond Dogs,who could possibly have enough raw power to save all of Equestria and restore it to its harmonious state?
The answer is pretty obvious.

Dramatic Reading: Here!

Sweetie Belle gets curious about where babies come from, so she confronts Rarity about it.

When Scootaloo wonders why Rainbow Dash seems to be avoiding her, Dash decides to tell a story from her youth, about friendship gained, and friendship changed, in order to explain why seeing Scootaloo has been making her sad.