Browse the full Investigation Discovery TV guide for Saturday, 16 May 2026. 26 programmes listed , including 6 tonight. UK listings updated daily — scroll down to tonight's highlights or use the day tabs above to browse the weekly schedule.
Early Morning
00:00
1h
Worcestershire's Drakelow Tunnels
01:00
1h
The team head to what was once one of the most-violent prisons in America
02:00
1h
How revelations led to the deterioration of a new relationship
03:00
1h
A case in which a woman went missing after breaking up with her boyfriend
04:00
1h
The 2013 murder of respected basketball coach Jimmy McClain
05:00
1h
The case of Cody MacPherson
Morning
06:00
30m
Home shopping
06:30
30m
Home shopping
07:00
30m
Home shopping
07:30
30m
Home shopping
08:00
1h
The murder of Kathy Wangler
09:00
1h
A series of mysterious events that shattered a family
10:00
1h
The murder of teacher Margaret Jack Sliger
11:00
1h
The murder of the sheriff of Cleveland, Oklahoma
Daytime
12:00
1h
Relatives of John Orr reveal how his shocking crimes impacted the family
13:00
1h
The former fiancée of wealthy farmer and landowner Adrian Prout speaks
14:00
1h
How teenage love led to disaster
15:00
1h
How a heavenly relationship quickly became a hellish nightmare
16:00
1h
For years, a serial killer stalks unsuspecting elderly victims
17:00
1h
The murder of Cambridgeshire 10-year-olds Holly Wells and Jessica Chapman
Tonight's Highlights
18:00
1h
How a woman contended with her son's monstrous crime
19:00
1h
The crimes of Steven Crittenden
20:00
1h
The murder of Malinada Gibbons
21:00
1h
A 19-year-old woman's affair with a controlling man, made worse with drink
22:00
1h
The murder of Stephanie McClurg
23:00
1h
A love triangle unfolds at a medieval re-enactment group