Battle of the Sexes - In the Animal World

Choosy Females

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

Race for the Egg

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

The Parental Dilemma

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

Family Affairs

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

The Riddle of Sex

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