When her art teacher (guest star Sandra Bernhard, "Roseanne") proves to not be easily impressed, Bay is pushed to re-examine her talents. And adding to her discomfort is her forced commitment to the new Carlton field hockey team. Daphne makes a mistake at the clinic, and Campbell (guest star RJ Mitte, "Breaking Bad") helps her correct it. Kathryn introduces her new friend Renzo (guest star Alec Mapa, "Ugly Betty") to John. Meanwhile, Emmett thinks he may have discovered who has been vandalizing cars at Carlton.