Mentos + Yakult
Mentos + Yakult is a YouTube video uploaded by zbirnadnia on November 14th, 2011. As of 2017, the video has accumulated over 7.5 million views. The video starts by showing a pack of Mentos and a bottle of Yakult. Then, the person opens the bottle and the pack and drops the Mentos inside the bottle of Yakult. About five seconds later, a close-up of Regan MacNeil from The Exorcist appears with a loud scream.
NOTE: The following video contains a screamer.