Science grand format — Season 4
34 episodesFirst aired 5 September 2019
E1Episode 1
Sept 201950m
E2Episode 2
Sept 201949m
E3Episode 3
Sept 20191h 29m
E4Episode 4
Sept 201946m
E5Episode 5
Sept 201948m
E6Episode 6
Oct 201949m
E7Episode 7
Oct 201953m
E8Episode 8
Oct 201953m
E9Episode 9
Oct 201949m
E10Episode 10
Oct 20191h 23m
E11Episode 11
Nov 201955m
E12Episode 12
Nov 20191h 29m
E13Episode 13
Nov 20191h 33m
E14Episode 14
Dec 201950m
E15Episode 15
Dec 201950m
E16Episode 16
Dec 201950m
E17Episode 17
Dec 201950m
E18Episode 18
Jan 202050m
E19Episode 19
Jan 202050m
E20Episode 20
Jan 20201h 29m
E21Episode 21
Feb 202048m
E22Episode 22
Feb 202050m
E23Episode 23
Feb 202050m
E24Episode 24
1.0Feb 202050m
E25Episode 25
Feb 20201h 31m
E26Our hominid ancestors
Mar 20201h 25m
E27Episode 27
Mar 20201h 33m
E28Episode 28
Apr 202050m
E29Episode 29
Apr 20201h 30m
E30Episode 30
Apr 20201h 30m
E31Episode 31
Apr 20201h 31m
E32Episode 32
May 20201h 30m
E33Episode 33
May 20201h 30m
E34Episode 34
Jun 20201h 31m
