(X) "BIOLOGY 101"
09/22/2011 (08:00PM - 08:30PM) (Thursday) : THE GANG REUNITES AFTER SUMMER BREAK WONDERING IF PIERCE WILL BE BACK AT SCHOOL � DEAN PELTON RETURNS FROM "DEAN CAMP" WITH VIGOR � JOHN GOODMAN AND MICHAEL K. WILLIAMS GUEST STAR � As the Greendale study group gathers in the library, they wonder whether they will see their old friend Pierce (Chevy Chase), who left the study group in a huff after last spring�s paintball game. Jeff (Joel McHale) quickly butts heads with their new biology teacher Professor Kane (Michael K. Williams, "The Wire,") and is kicked out of class � leading to a crisis within the group about whether they will all stay together. Dean Pelton (Jim Rash) is feeling empowered after a summer at "Dean Camp" but finds a new nemesis in Vice Dean Laybourne (John Goodman), dean of the highly regarded Air Conditioning Repair Annex at Greendale. Gillian Jacobs, Alison Brie, Yvette Nicole Brown, Danny Pudi, Donald Glover and Ken Jeong also star.