Browse the full Investigation Discovery TV guide for Thursday, 23 July 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
How an emergency call to help a neighbour ended in a bizarre investigation
01:00
1h
A shocking discovery leaves the team feeling blindsided
02:00
1h
The death of 16-year-old Judy Rawlings
03:00
1h
The death of 51-year-old Robin Pope
04:00
1h
A Florida man's wife goes missing, but a grainy videotape may reveal her fate
05:00
1h
A man's first wife died in a burglary and years later, his second wife is killed
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 death of 16-year-old Judy Rawlings
09:00
1h
The death of 51-year-old Robin Pope
10:00
1h
The death of Codi Joyce
11:00
1h
The murder of teacher Norma Luobikis
Daytime
12:00
1h
A Florida man's wife goes missing, but a grainy videotape may reveal her fate
13:00
1h
On the night of her son's wedding, Christy is found dead
14:00
1h
Investigators uncover the grizzly truth about a seemingly perfect relationship
15:00
1h
The body of a young woman is discovered in the woods
16:00
1h
An active-duty soldier dies in a brutal attack during a night out with her unit
17:00
1h
A young woman is murdered in a bar parking lot
Tonight's Highlights
18:00
1h
Did a young woman's personalised license plate make her the target for murder
19:00
1h
True stories behind the murder of some of Hollywood's most promising stars
20:00
1h
Johnny Lewis prepares for the most terrifying role of his life
21:00
1h
A case in which a shooting occurred in a pawn shop
22:00
1h
The disappearance of 24-year-old Ryan Lane
23:00
1h
A wife is killed while calling 911 and her husband is shot in the leg