Browse the full Investigation Discovery TV guide for Friday, 24 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
30m
Authorities struggle to solve three murder cases for 30 years
00:30
30m
Police discover dead bodies inside a psychopath's apartment
01:00
1h
The investigation into a man's murder
02:00
1h
The body of a young woman is discovered in the woods
03:00
1h
An active-duty soldier dies in a brutal attack during a night out with her unit
04:00
1h
True stories behind the murder of some of Hollywood's most promising stars
05:00
1h
Johnny Lewis prepares for the most terrifying role of his life
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 body of a young woman is discovered in the woods
09:00
1h
An active-duty soldier dies in a brutal attack during a night out with her unit
10:00
1h
A young woman is murdered in a bar parking lot
11:00
1h
Did a young woman's personalised license plate make her the target for murder
Daytime
12:00
1h
True stories behind the murder of some of Hollywood's most promising stars
13:00
1h
A Mississippi husband turns violent when his wife tries to end their marriage
14:00
1h
A private investigator suddenly goes missing
15:00
2h
The disappearance of a New York millionaire unearths an unbelievable story
17:00
1h
The heir-apparent to a Colorado ranch suddenly disappears
Tonight's Highlights
18:00
1h
The murder of a father devastates his family
19:00
1h
A five-year-old disappears and investigators discover problems at home
20:00
1h
A truck driver finds an unconscious woman on a Missouri highway
21:00
1h
A missing shoe may lead to a killer in this dark Cinderella tale
22:00
1h
The team investigates Culross's dark history
23:00
1h
Jack Osbourne and Katrina Weidman investigate the Eloise Psychiatric Hospital