"Season 4 is expected to include 13 episodes (actual number of episodes may vary). This season, the group will study history with Professor Noel Cornwallis (guest star Malcolm McDowell, (Entourage, Franklin and Bash); they will make an unexpected trip to Pierce’s mansion on Halloween; Jeff will finally meet his long-lost dad; and Shirley will experience the joys of entrepreneurship with her sandwich shop at Greendale." -- iTunes Store
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