Bloodline Detectives focuses on familial DNA investigation, a search technique which uses genetic material from relatives to track down a suspect to solve violent crimes.Each episode shows detectives from all over the world solving cold cases by using the DNA of family members and how that additional DNA information is revolutionising genetic profiling to solve criminal cases.
| # | Title | Airdate |
|---|---|---|
| 1 | Apr 23, 2020 | |
| 2 | Apr 30, 2020 | |
| 3 | May 7, 2020 | |
| 4 | May 14, 2020 | |
| 5 | May 21, 2020 | |
| 6 | May 28, 2020 | |
| 7 | Jun 4, 2020 | |
| 8 | Jun 11, 2020 | |
| 9 | Jun 18, 2020 | |
| 10 | Jan 7, 2021 | |
| 11 | Jan 14, 2021 | |
| 12 | Jan 21, 2021 | |
| 13 | Jan 28, 2021 | |
| 14 | Feb 4, 2021 | |
| 15 | Feb 11, 2021 | |
| 16 | Feb 18, 2021 | |
| 17 | Feb 25, 2021 | |
| 18 | Mar 4, 2021 | |
| 19 | Mar 13, 2021 | |
| 20 | Mar 20, 2021 |
| # | Title | Airdate |
|---|---|---|
| 1 | Oct 28, 2021 | |
| 2 | Nov 4, 2021 | |
| 3 | Nov 11, 2021 | |
| 4 | Nov 18, 2021 | |
| 5 | Nov 25, 2021 | |
| 6 | Dec 2, 2021 | |
| 7 | Dec 9, 2021 | |
| 8 | Dec 16, 2021 | |
| 9 | Dec 23, 2021 | |
| 10 | Dec 30, 2021 | |
| 11 | Jul 21, 2022 | |
| 12 | Jul 28, 2022 | |
| 13 | Aug 4, 2022 | |
| 14 | Aug 11, 2022 | |
| 15 | Aug 18, 2022 | |
| 16 | Aug 25, 2022 | |
| 17 | Sep 1, 2022 | |
| 18 | Sep 8, 2022 | |
| 19 | Sep 15, 2022 | |
| 20 | Sep 22, 2022 |
| # | Title | Airdate |
|---|---|---|
| 1 | Sep 11, 2023 | |
| 2 | Sep 12, 2023 | |
| 3 | Sep 13, 2023 | |
| 4 | Sep 14, 2023 | |
| 5 | Sep 15, 2023 | |
| 6 | Sep 18, 2023 | |
| 7 | Sep 19, 2023 | |
| 8 | Sep 20, 2023 | |
| 9 | Sep 21, 2023 | |
| 10 | Sep 22, 2023 | |
| 11 | Sep 25, 2023 | |
| 12 | Sep 26, 2023 | |
| 13 | Sep 27, 2023 | |
| 14 | Sep 28, 2023 | |
| 15 | Sep 29, 2023 | |
| 16 | Oct 2, 2023 | |
| 17 | Oct 3, 2023 | |
| 18 | Oct 4, 2023 | |
| 19 | Oct 5, 2023 | |
| 20 | Oct 6, 2023 |
| # | Title | Airdate |
|---|---|---|
| 1 | Oct 11, 2023 | |
| 2 | Oct 18, 2023 | |
| 3 | Oct 25, 2023 | |
| 4 | Nov 1, 2023 | |
| 5 | Nov 8, 2023 | |
| 6 | Nov 15, 2023 | |
| 7 | Nov 22, 2023 | |
| 8 | Nov 29, 2023 | |
| 9 | Dec 6, 2023 | |
| 10 | Dec 13, 2023 | |
| 11 | Dec 20, 2023 | |
| 12 | Dec 27, 2023 | |
| 13 | Jan 3, 2024 | |
| 14 | Jan 10, 2024 | |
| 15 | Jan 17, 2024 | |
| 16 | Jan 24, 2024 | |
| 17 | Feb 21, 2024 | |
| 18 | Feb 28, 2024 | |
| 19 | Mar 6, 2024 | |
| 20 | Mar 13, 2024 |
| # | Title | Airdate |
|---|---|---|
| 1 | Sep 4, 2024 | |
| 2 | Sep 11, 2024 | |
| 3 | Sep 18, 2024 | |
| 4 | Sep 25, 2024 | |
| 5 | Oct 2, 2024 | |
| 6 | Oct 9, 2024 | |
| 7 | Oct 16, 2024 | |
| 8 | Oct 23, 2024 | |
| 9 | Oct 30, 2024 | |
| 10 | Nov 6, 2024 | |
| 11 | Jan 30, 2025 | |
| 12 | Feb 6, 2025 | |
| 13 | Feb 13, 2025 | |
| 14 | Feb 20, 2025 | |
| 15 | Feb 27, 2025 | |
| 16 | Mar 6, 2025 | |
| 17 | Mar 13, 2025 | |
| 18 | Mar 20, 2025 | |
| 19 | Mar 27, 2025 | |
| 20 | Apr 3, 2025 |
| # | Title | Airdate |
|---|---|---|
| 1 | Sep 18, 2025 | |
| 2 | Sep 25, 2025 | |
| 3 | Oct 2, 2025 | |
| 4 | Oct 9, 2025 | |
| 5 | Oct 16, 2025 | |
| 6 | Oct 23, 2025 | |
| 7 | Oct 30, 2025 | |
| 8 | Nov 6, 2025 | |
| 9 | May 27, 2026 | |
| 10 | Jun 3, 2026 | |
| 11 | Jun 10, 2026 | |
| 12 | Jun 17, 2026 | |
| 13 | Jun 24, 2026 | |
| 14 | Jul 1, 2026 |