All Available Season All Season Season 1 Mar, 2012 10 episodes 0.0 Season 2 Sep, 2014 10 episodes 6.0 Season 3 Jan, 2016 10 episodes 0.0 Dr. Gates explores the genealogy of celebrities using the records left behind and DNA technology. Season 4 Oct, 2017 10 episodes 0.0 Season 5 Jan, 2019 10 episodes 0.0 Season 6 Oct, 2019 16 episodes 0.0 Season 7 Jan, 2021 10 episodes 0.0 Season 8 Jan, 2022 10 episodes 0.0 Season 9 Jan, 2023 10 episodes 8.0 Season 10 Jan, 2024 10 episodes 0.0 Season 11 Jan, 2025 5 episodes 0.0
