The 'Wild South Summer Special' edition features:

SEX ON THE REEF (1993) Reefs seem utterly beautiful and incredibly fragile ecosystems susceptible to the ravages of the tides and the weather. Yet they have survived for millions of years. So what's their survival strategy? It's all to do with the full moon and a radical approach to sex.

TALE OF THE CRAYFISH (1988) We all recognize the delectable crayfish on our dinner plate, but how much is known about these tasty creatures? Follow these marvellous morsels as they set out from their larval cloud beginnings to their mysterious long-marches around our coastline. Where do they come from and where do they go, and what do they do in-between?

LOST WORLD OF THE POOR KNIGHTS (1988) Giant armour-plated insects, huge land snails, poisonous centipedes and miniature dinosaurs - is this a picture of prehistoric life on earth, or a glimpse into the lost world of the Poor Knights Islands? Experience a piece of paradise as it was before people walked the earth.

Duration Approx 148 minutes All Regions - Regular 1.33:1 / 4:3 - Dolby Digital Mono - Colour - PAL Number of discs: 1 Produced by NHNZ Ltd, Dunedin