Season
- Season 0 2017-04-10
- Season 1 2015-02-11
- Season 2015 2015-02-11
- Season 2016 2016-01-06
- Season 2017 2017-01-04
- Season 2018 2018-01-10
- Season 2019 2019-01-09
- Season 2020 2020-01-06
- Season 2021 2021-01-12
- Season 2022 2022-01-12
- Season 2023 2023-01-11
- Season 2024 2024-01-10
- Season 2025 2025-01-16
- Season 2026 2026-01-13
Season 2026 Episode
- Season 2019 Episode 1
- Season 2019 Episode 2
- Season 2019 Episode 3
- Season 2019 Episode 4
- Season 2019 Episode 5
- Season 2019 Episode 6
- Season 2019 Episode 7
- Season 2019 Episode 8
- Season 2019 Episode 9
- Season 2019 Episode 10
- Season 2019 Episode 11
- Season 2019 Episode 12
- Season 2019 Episode 13
- Season 2019 Episode 14
- Season 2019 Episode 15
- Season 2019 Episode 16
- Season 2019 Episode 17
- Season 2019 Episode 18
- Season 2019 Episode 19
- Season 2019 Episode 20
- Season 2019 Episode 21
- Season 2019 Episode 22
- Season 2019 Episode 23
- Season 2019 Episode 24
- Season 2019 Episode 25
- Season 2019 Episode 26
- Season 2019 Episode 27
- Season 2019 Episode 28
- Season 2019 Episode 29
- Season 2019 Episode 30
- Season 2019 Episode 31
- Season 2019 Episode 32
- Season 2019 Episode 33
- Season 2019 Episode 34
- Season 2019 Episode 35
- Season 2019 Episode 36
- Season 2019 Episode 37
- Season 2019 Episode 38
- Season 2019 Episode 39
- Season 2019 Episode 40
PBS Space Time - Season 2019 Episode 39 The Doomsday Argument
10.00 48 minutes Since the dawn of humanity around 100 billion people have lived. How many will live in the future of our species? We might hope for a trillion times that if we colonize the galaxy. But a simple statistical argument tells us that the doom of our species is much, much closer.
