第 21 集: 羅賓遜一家觀察海龜產卵，並保護巢穴免受蛇類侵擾，直至孵化

21

The Robinsons watch a turtle laying eggs on the beach, and are impressed with the solemn ceremony. Becca and Jack keep watch over the nest, fighting off a hungry snake, until the eggs hatch and the baby turtles disappear into the sea. (Source: Wikipedia)