The study group returns to find a new vice dean, and Jeff clashes with the new biology professor.

Discs 1 & 2 of 3-disc set, "Community : the complete third season". Title from container. Special features: Commentaries on every episode ; A Glee-ful community Christmas ; This is war: Pillows vs. Blankets ; Outlakes ; Deleted scenes.

Disc 1 :Biology 101 -- Geography of global conflict -- Remedial chaos theory -- Competitive ecology -- Horror fiction in seven spooky steps -- Advanced gay -- Studies in modern movement -- Documentary filmmaking : redux -- Disc 2 : Foosball and nocturnal vigilantism -- Regional holiday music -- Contemporary impressionists -- Urban matrimony and the sandwich arts -- Digital exploration of interior design -- Pillows and blankets -- Origins of vampire mythology -- Virtual systems analysis.