An all new 2-Hour "Dateline" this Friday Dec. 11, 2015

The 2-hour episode is called SOMETHING SWEET. It will air this Friday Dec. 11, 2015. According to the official website, "A retired corrections officer mysteriously dies from antifreeze poisoning in rural Ohio. Detectives uncover multiple suspects during a five-year investigation that causes two families to collide. Josh Mankiewicz reports on a case that pivots on riveting medical evidence" (Holy -- Death by anti-freeze).

Click photo for DATELINE Preview.

(Lestor Holt is host of DATELINE)