Investigation Discovery
The true stories of people who lived with a killer. How well do you really know your family? Would you recognize the warning signs? Or would you become entangled in evil?
Season 1
6 episodes · 2016
Season 2
10 episodes · 2017
Season 3
12 episodes · 2018
Season 4
8 episodes · 2018
Season 5
12 episodes · 2019
Season 6
8 episodes · 2019
Season 7
12 episodes · 2020
Season 8
7 episodes · 2020
Season 9
8 episodes · 2021
Season 10
13 episodes · 2021
Season 11
8 episodes · 2022
Season 12
6 episodes · 2022
Season 13
10 episodes · 2023
Season 14
8 episodes · 2023
Season 15
10 episodes · 2024
Season 16
8 episodes · 2024
Season 17
10 episodes · 2025
Season 18
10 episodes · 2025
Season 19
10 episodes · 2026
