S1·E21 Until the Day it Becomes a Pumpkin!
Aired August 23, 2006
Synopsis
Haruhi's class has a Halloween event - The Halloween Special Fear Trial Tournament- in which groups do their best to scare the living daylights out of each other! The class rep isn't so keen on this idea, though, and enlists Haruhi to help him. Kaoru, meanwhile, contemplates a sad truth. Nekozawa decides to scare the group of Haruhi, Kaoru, Hikaru, and the class rep.