Battle of the Sexes - In the Animal World

Episode 2

Choosy Females

This episode looks at how females force males to prove their worth before being accepted as mates.

Episode 3

Race for the Egg

This episode reveals the sexual strategies that are used to ensure that the sperm reaches the egg.

Episode 4

The Parental Dilemma

This episode looks at the strategies the sexes use to ensure they're not the ones left holding the baby.

Episode 5

Family Affairs

This episode looks at sex & the role it plays within family groups & the violence & jealousy it causes.

Episode 6

The Riddle of Sex

Examines the reasons for sex,how some species have abolished it whilst for others it ensures survival.