Season
Season 9 Episode
- Season 4 Episode 1
- Season 4 Episode 2
- Season 4 Episode 3
- Season 4 Episode 4
- Season 4 Episode 5
- Season 4 Episode 6
- Season 4 Episode 7
- Season 4 Episode 8
- Season 4 Episode 9
- Season 4 Episode 10
- Season 4 Episode 11
- Season 4 Episode 12
- Season 4 Episode 13
- Season 4 Episode 14
- Season 4 Episode 15
- Season 4 Episode 16
- Season 4 Episode 17
- Season 4 Episode 18
- Season 4 Episode 19
- Season 4 Episode 20
- Season 4 Episode 21
- Season 4 Episode 22
- Season 4 Episode 23
- Season 4 Episode 24
- Season 4 Episode 25
- Season 4 Our hominid ancestors
- Season 4 Episode 27
- Season 4 Episode 28
- Season 4 Episode 29
- Season 4 Episode 30
- Season 4 Episode 31
- Season 4 Episode 32
- Season 4 Episode 33
- Season 4 Episode 34
Science grand format - Season 4
6.00 90 minutes A look at relevant scientific issues
