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
First, I need to know something. Was anybody bitten before they came in here?
Ya bit? Huh? Ya bit?
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