Mentos + Yakult

Mentos + Yakult is a screamer video uploaded by Lincoln Lin Junhong (username linboyz94) to YouTube on Sep 1, 2013. the copies of this video have accumulated over 7.5 million views. The earliest known copy of this video was uploaded in 2011. The video is a parody of the Diet Coke and Mentos experiment.

The video starts by showing a pack of Mentos and a bottle of Yakult; the uploader then opens both of them, dropping the Mentos inside the bottle. About five seconds later, the result of the experiment becomes clearly visible: a close-up of Regan MacNeil from The Exorcist appears with a loud scream.

Links
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=DtNX2rPaDuI
 * Mirror: youtube.com/watch?v=X-zGIDgPuuE