In the beginning of Baby Cakes, the main characters visit the newborn Pound Cake and Pumpkin Cake. When Pinkie Pie starts singing in the nursery, Nurse Redheart shushes her and eventually kicks her out. In Read It and Weep, Rainbow Dash breaks her right wing and stays at the hospital for a period of time. It is also mentioned in Hurricane Fluttershy by Rumble as he tells Rainbow Dash about Thunderlane having the feather flu and being at Ponyville Hospital.
