Pierce and a few other Greendale students ingest a biohazard substance at the school Halloween Party, causing them to exhibit flu-like symptoms and begin turning into zombies. It is up to the rest of the gang to save themselves and the school when Dean Pelton locks them in with the zombie-infected student body. Written by
Did You Know?
Wilhelm Scream: Heard after Troy punches someone in a wizard costume after reentering the building. See more
[zombie Leonard, dressed as a pumpkin, makes a move on Shirley
Leonard, behave yourself. I'm a Christian woman. Now, you better back that pumpkin ass up or I'm gonna make a pie.
The opening credits are redone with a Halloween theme. See more
Written by Stig Anderson
, Benny Andersson
, and Björn Ulvaeus
Performed by ABBA See more