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Twilight realizes she never returned a book to the Canterlot Library and may have caused her favorite librarian to lose her job.
First Air Date : Oct 10, 2010
Last Air date : Oct 12, 2019
Episode : 221 Episode
Season : 9 Season
Runtime: 22:14 minutes
Studio: Discovery Family, Hub Network
Country: Canada, United States of America
Cast: Tara Strong, Andrea Libman, Ashleigh Ball, Tabitha St. Germain, Cathy Weseluck, Michelle Creber
Crew:
