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?
The tombstone Rich sits on to check the bite on his ankle bears the name of producer Sean Veder
. See more
[zombie Annie approaches Troy wearing her Little Red Riding Hood costume
Annie. My, what big fists you have. In your face!
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