Exclusive: Man Risks Life to Save Senior From Oncoming Train; Online Pharmacy Dangers; Cheryl Burke

Smart, sarcastic and a little dead inside, Wednesday Addams investigates a murder spree while making new friends — and foes — at Nevermore Academy.

Emily Lane is a good-natured Christmas shop owner with a secret past. When local murders begin to pop up in Fletcher's Grove, Emily can't help but to use her unique talents from her past life to help solve murders that affect people in her new life. She crosses paths with Detective Sam Wilner who she starts to make a connection with, until he comes to learn there is more to Emily than meets the eye.

From tunnels to towers, artillery sites, resistance nests and communication centers, Nazi Germany left their footprint throughout the world. To this day, silent remains still exist, sentinels guarding clues about plots that Hitler was unable to carry out. Secret Nazi Ruins digs up mysteries from some of the most covert projects as experts dissect and reveal the purpose of these structures, their makeup, and technical design.

Chief of War follows the epic and unprecedented telling of the unification and colonization of Hawaii from an indigenous point of view.

On Last Week Tonight with John Oliver, John Oliver presents a satirical look at the week in news, politics and current events.