ABC is pulling the plug on “Once Upon a Time” after seven seasons. Co-creators Adam Horowitz and Edward Kitsis had tried to take the fantasy show in a new direction this year after losing most of the original cast. While hard-core fans followed “Ouat” from its traditional Sunday time slot to Friday, the audience was not large enough to merit renewal by the Alphabet network.

This reboot built on the season 6 two-hour finale, which had introduced two new characters including a young man who has lost hope and now lives as a recluse (Andrew J. West) and his daughter Lucy (Alison Fernandez) who has her own book of fairy tales. He was a grown-up version of Henry (Jared Gilmore), the boy whose search for his birth mother Emma (Jennifer Morrison) to the dismay of his adoptive mother Regina (Lana Parrilla) kicked off the series back in 2011.

Morrison only returned for...