Full Metal Panic!

Season 2, Episode 5

Episode Title: The Pure Yet Impure Grappler / Trespassing on Good Faith

Air Date: 2003-10-07

Overview:

Sousuke and Kaname investigate bizarre incidents where a masked predator attacks schoolgirls and gives them ponytails. With the help of a local policewoman, they set up a trap to catch the attacker using Kaname as bait. To teach a stoic Sousuke the meaning of fear, Kaname takes him into a haunted hospital, but she becomes more scared than Sousuke. They learn that the haunted hospital rumor was perpetuated by the mother and son living there who wanted peace and quiet.