(A collab with Latecomer, open to all authors. Stories should be SFW with some potential PG content, rated Teen to be safe.) A collection of stories involving various characters undergoing potty training, to varying results.
Peter was a responsible college student, and what better reward for his efforts than a one way ticket to Equestria? Wait what? Now he has to get used to the land of happy go lucky ponies. He, now she, first has to get her new hooves under her first.
Discord, Nightmare Moon, King Sombra and Queen Chrysalis have been reduced to foals and placed under Princess Celestia's carful gaze and she does her best to keep the four out of mischief.
(A Matt11 fic, rewritten with permission) Scootaloo is turned back into a foal, and is taken care of by her adopted parents Fluttershy and Rainbow Dash. What sort of cute misadventures will occur?
On the eve of Nightmare Moon's return three royal guards were transformed into toddlers. Celestia now has to raise these three foals and keep them in line.
When friendship comes under threat again, it calls Twilight to the Human World. However, the foe that she faces might well be one of her greatest yet...
Hoity Toity is suddenly turned into a foal, and his collection of foal clothes went missing. Now he'll have to go to Manehatten and win a foal fashion show with the help of Rarity.
Starlight Glimmer's plan to go back in time had backfired, and she turned herself into a foal and went back further than she intended. Now she has to find a way to return to her own time and into her adult body.
After a major twist in the Power Ponies' latest tale, they find themselves, and the Mane-iac brought to Equestria. They also happen to be children once they arrive. Yet some are younger than others.