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Biology 101

As Jeff tries to keep Pierce from rejoining the study group, Dean Pelton faces off with Vice Dean Laybourne for control of Greendale.
Aired: Sep 22, 2011 Genre: ComedyCasts: Joel McHale Gillian Jacobs Danny Pudi Alison Brie Jim Rash Ken Jeong Yvette Nicole Brown Chevy ChaseCreated By: Dan HarmonRating: 3.8 Country: United States of America Production: Krasnoff / Foster Entertainment, Universal Media Studios, Dan Harmon / Russo Brothers, Harmonious Claptrap, Sony Pictures Television, Universal Television