Recapping Season 4, Episode 23 of Pretty Little Liars. Aria’s mother returns with big news about the Muffin Man, Hanna volunteers to help her mom out with the bridal show as a guise to sneak into Ali’s house, Emily cuts Paige loose after one betrayal too far, and Spencer discovers that she has huge gaps in her memory the summer before Ali went missing, and was being a complete terror to her parents, almost like an evil twin.