TONIGHT: The chilling true-crime story of a mother who vanished. What happened that night? Find out tonight on the all-new 20/20 event special at 9|8c on ABC. #ABC2020 | ABC 20/20

NEW True Crime: Why did a handsome doctor, pilot, husband – really kill his wife? The only thing more shocking may be how he tried to cover up the crime. John Quiñones reports on the murder of a prominent doctor’s wife. Watch the all-new 20/20 - Friday at 9/8c on ABC. Stream next day on Hulu. | ABC 20/20

NEW TRUE CRIME | A serial killer who knew his victims. A mother who would stop at nothing to find the killer. Now, a never-before-seen prison interview with the killer and the only surviving victim speaks out. The new 20/20 premieres Friday at 9/8c on ABC - and stream on Hulu. | ABC 20/20

NEW: ‘Dirty Talk: When Daytime Talk Shows Ruled TV” — The three-part series event premieres tonight (Jan. 14th) at 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20

NEW: ‘Dirty Talk: When Daytime Talk Shows Ruled TV” | The three-part series event premieres Wednesday night, Jan 14 at 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20

We’re taking you backstage and into the control room - uncovering how daytime TV redefined American culture. In the first of three special episodes, ‘Dirty Talk’ examines why some of your talk show favorites were able to dominate daytime TV in the 90s. ‘Dirty Talk: When Daytime Talk Shows Ruled TV’ premieres Wednesday, Jan. 14th at 9/8c on ABC. Stream on Disney and Hulu. | ABC 20/20