Episode Title:Pitch Purrfect.Episode Description:Blythe becomes addicted to her mother's journal that Speedy gave to her when Mrs. Twombly's doorknobs are gone. Simultaneously, Zoe fails to land an audition to be part of a cat singing group (led by Delilah from the season 2 finale), so Vinnie, Penny Ling, and Sunil join her for an upcoming song competition.