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The episode of Criminal Minds where SSA Emily Prentiss fakes her death is episode 18 in season 6.
He had to wear one because of a "minor eye infection" as stated in a newspaper article of the time. The show's director had him wear it instead of trying to keep only one side of his face showing. It was the January 23rd 1963 episode. Info for this answer found from a newspaper article in the related link.
The Boogeyman is Season 2, episode 6
Season 3; Episode 19
Season 5, Episode 11, "Retaliation"
Season three Episode 11 'Michael'
Springfield Times
Out of the light
Episode 14.
The newspaper in the Trick or Treat episode with Derren Brown and David Tennant is called "The Toadstone Gazette."
The twenty first episode is "Secrets and Lies" (season 1).
Season 2 episode 17