Browse the full Investigation Discovery TV guide for Friday, 4 September 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
A father's desperate search for his daughter leads him to an abandoned cabin
01:00
1h
A beloved pastor and his wife escape to a cabin
02:00
1h
The murders of two teenagers
03:00
1h
A case in which a newly engaged woman was discovered dead
04:00
1h
A former mayor of an Ohio town turns up dead in his hunting cabin
05:00
1h
The murder of a respected young entrepreneur
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 murders of two teenagers
09:00
1h
A case in which a newly engaged woman was discovered dead
10:00
1h
The suspected murder of two young adults
11:00
1h
The violent deaths of two ambitious female TV anchors
Daytime
12:00
1h
A former mayor of an Ohio town turns up dead in his hunting cabin
13:00
1h
People recount how loved ones became killers
14:00
1h
How a legal loophole led to the release of a confessor
15:00
1h
A man who bided his time to wreak a bloody revenge
16:00
1h
A man's fascination with Idaho hairstylist Makaela Zabel-Gravatt
17:00
1h
A bitter family argument
Tonight's Highlights
18:00
1h
How a handyman became fixated towards his female customer
19:00
1h
A US colonel's startling double life
20:00
1h
The crimes of Valerie Cincinelli,
21:00
1h
In 1990, a clown delivering flowers and balloons guns down a woman at home
22:00
1h
After a call on Friday the 13th, José Herran vanishes
23:00
1h
A 40-year-old mum goes down a very dark path paved with jealousy and deadly rage