Day 3: 6:00 P.M. - 7:00 P.M.

District 21 of the Chicago Police Department is made up of two distinctly different groups. There are the uniformed cops who patrol the beat and go head to head with the city's street crimes. And there's the Intelligence Unit, the team that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond. These are their stories.

No job is more stressful, dangerous or exhilarating than those of the Firefighters, Rescue Squad and Paramedics of Chicago Firehouse 51. These are the courageous men and women who forge headfirst into danger when everyone else is running the other way and whose actions make the difference between life and death. These are their stories.

Making everything from spider cupcakes to mummy macarons, seven of the country's top bakers will compete to create Halloween's spookiest confections on Halloween Baking Championship, premiering Monday, Oct. 5 at 9|8c. To survive this haunted competition, hosted by Richard Blais, contestants must prove their baking abilities and impress judges Ron Ben-Israel, Carla Hall and Sherry Yard. Only one winner will take home the grand prize of $25,000 and earn the title of Halloween Baking Champion.

In a ruined and toxic future, thousands live in a giant silo deep underground. After its sheriff breaks a cardinal rule and residents die mysteriously, engineer Juliette starts to uncover shocking secrets and the truth about the silo.

Tipping the scales at over 1,000 pounds combined, the Slaton sisters try to lose enough weight to qualify for and undergo life-changing bariatric surgery and pursue their dreams.