S7.E8 ∙ Willie Won't Learn

Chris Hansen's investigations have led to hundreds of would-be sex criminals stopped in their tracks. Amazingly, after 500 arrests and hundreds of millions of video views, men continue to try to meet children online.

Reality show features sci-fi inspired pranks on unsuspecting people who witness alien abductions, hauntings, and other paranormal events, capturing their reactions.

takes two complete strangers who each think they're starting their first day at a new job. It's business as usual until their paths collide and these part-time jobs turn into full-time nightmares.

The newest Katalyst Films-MTV collaboration, Room 401, is a mind-blowing journey through the weird, absurd and shocking world of illusion. Each episode sweeps unaware victims into the center of mini horror movies that play out live in front of their eyes. From the reanimation of the dead, to chain-saw mishaps, to sinister sushi experiences, each episode will contain 4 scares sure to tingle your spine. Featuring some of the most talented, up and coming illusionists, Room 401 will make you scream, make you jump and even make you laugh... uncomfortably. In this age of CGI and edit room after effects, Room 401 unfolds live. We don't manipulate the film... we manipulate your mind.

A hidden-camera reality television program in which a person is awarded one hundred dollars if they don't leave or get overly upset within a designated amount of time.

Four kids pull off real pranks on unsuspecting people.