Episode 19

Countdown begins with a suspicious murder in broad daylight, leading Los Angeles Police Department officer Mark Meachum to be recruited to a secret task force of undercover agents from all branches of law enforcement that will investigate the death. But as the truth of a more sinister plot comes into focus, the team must overcome their conflicting personal agendas to unite and save a city of millions.

Are you ready for the lockdown?

Ghost Adventures crew -- Zak Bagans, Aaron Goodwin, Billy Tolley, and Jay Wasley -- is back to investigate the scariest, most notorious, haunted places in the world.

The trio will interview eyewitnesses and historians at each location, arming themselves with the stories of the ghosts they will later provoke and confront during their dusk-to-dawn lockdowns. (Note: They don't always come out unscathed!) Then they'll review and analyze their findings with some the most respected experts and specialists in the paranormal field.

Each week on Naked and Afraid: Uncensored, a new pair of total strangers are faced with the ultimate survival challenge: survive for 21 days together with no clothes or supplies in some of the most dangerous environments in the world. In addition to the landscape itself working against the duo, the local wildlife stalks looks to prey on them as well. Of course, the biggest complication for any of the couples might end up being their own clashing egos. This "uncensored" variation includes never-before-seen footage.

Who's the toughest in the house? The Ultimate Fighter finds out as mixed martial arts fighters battle it out for a six-figure UFC contract. With two of the top UFC fighters as coaches, contestants will try to kick and punch their way to dominance and to prove who is The Ultimate Fighter.

Ridiculousness and Rob Dyrdek return with another incredible season of hysterical and absurd internet videos. Sterling "Stee-Lo" Brim and Chanel "West Coast" join Rob and another unbelievable line up of special guests, including rapper phenom Future, R&B singer/ songwriter Ne-Yo, and internet video super-team Smosh. This season's storm of new categories like "Power Kiss", "Everyday Demons", "Human Glitches", and "Magnet Feet" will leave you belly laughing for the rest of your life.