Illusion, Bunnies!

Illusion Bunnies is a screamer video that was uploaded to YouTube in July 10th, 2006 by a user Tyler1090 or known as Costedrums, the creator behind the Mysterious Scary Dot which was uploaded a day ago.

The video invites the player to count/find all the bunnies in the following picture, with a song: "What a Wonderful World" by Medley plays throughout the video, after a little bit of time on counting, a dot appears with a text above it stating that the 5th one looks slightly different, and asks them to stare at the dot, After a while, a flashing image of Freedy Krueger appears along with a loud scream.

Link
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=lEPVgaUxCUQ