18. A Rare Sighting

Zoe and Harvey are amazed to discover a rare baby white buffalo in the park. The animal's presence has to be kept secret to protect it, but when they realize they have accidentally put two poachers on the buffalo's trail, Zoe and Harvey set out to make amends by preventing the scoundrels from capturing it. And to do this, they can always count on their closest ally: Lassie!