Alfea Under Siege is the tenth episode from Season 3.
Valtor attacks Cloudtower and casts a mind control spell over the witches. He locks up Headmistress Griffin and lead the mind controlled witches to attack Alfea. The fairies defeat the witches but Ms. Faragonda is turned into a tree after a mysterious battle with Valtor in the forest. Icy, Darcy, and Stormy teleport themselves into Alfea and try to find the ancient magical scrolls. The fairies defeat them but Darcy sets the library on fire. Musa saves Princess Galatea of her realm thus gaining her Enchantix. She uses her Enchantix to put out the fire and bringing back Galatea's wings which Icy destroyed.