1. Ways of Being Male

0

. 1 June 1999. 30 min

This episode focuses on the varied tactics that males use to win females & the chance to mate.

2. Choosy Females

0

. 13 January 1999. 30 min

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

3. Race for the Egg

0

. 20 January 1999. 30 min

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

4. The Parental Dilemma

0

. 27 January 1999. 30 min

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

5. Family Affairs

0

. 3 February 1999. 30 min

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

6. The Riddle of Sex

0

. 5 February 1999. 30 min

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