S1E12:Continuing the Line
The Trials of Life
20 Dec 1990TV-PG
When it comes to sex, there seem to be no fixed rules in the animal world. Creatures will go to any lengths, it seems, to make babies. To continue the line is the final trial, and the ultimate triumph. In this exceptional wildlife documentary, David Attenborough looks at the many and varied ways that animals ensure their genes are passed to the next generation.
