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Investigation Discovery schedule

5 shows with upcoming episodes on Investigation Discovery, including 2 season premieres. Next up: Unmasking a Monster: Aileen Wuornos on Wednesday, September 30, 2026.

Season premieres on Investigation Discovery

Unmasking a Monster: Aileen Wuornos

Season 1, Episode 1 · Investigation Discovery

Today

T

The Serial Killer Connection

Season 1, Episode 1 · Investigation Discovery

Next week

All upcoming

Sep

30

Unmasking a Monster: Aileen Wuornos

S1 E1 · Face to Face With the Monster · Investigation Discovery

Today

Oct

5

Married to Evil

S3 E4 · Too Good to be True · Investigation Discovery

In 5 days

Oct

6

Signs of a Psychopath

S11 E14 · Can You Count Bullets? · Investigation Discovery

★ 6.5

Oct

6

Toxic

S2 E4 · A Living Nightmare · Investigation Discovery

In 6 days

Oct

7

T

The Serial Killer Connection

S1 E1 · TBA · Investigation Discovery

Next week