S01 · E07
David Attenborough looks at the history of reptiles, the first back-boned creatures to solve the problems of living high and dry on the land. Their waterproofed skin and sealed eggs enabled the mighty reptiles to rule the world.
S01 · E01
Jan 16, 1979 · 55m
S01 · E02
Jan 23, 1979 · 54m
S01 · E03
Jan 30, 1979 · 54m
S01 · E04
Feb 6, 1979 · 55m
S01 · E05
Feb 13, 1979 · 55m
S01 · E06
Feb 20, 1979 · 55m
S01 · E07
Feb 27, 1979 · 55m
S01 · E08
Mar 6, 1979 · 54m
S01 · E09
Mar 13, 1979 · 54m
S01 · E10
Mar 20, 1979 · 53m
S01 · E11
Mar 27, 1979 · 55m
S01 · E12
Apr 3, 1979 · 55m
S01 · E13
Apr 10, 1979 · 54m