REHASHED FROM THE PREVIOUS FOUR EPISODES: Lisa checks out a professional motorcycle racer (filmed Oct. 1979) and witnesses the wicked tides at the Bay of Fundy. A make-up artist transforms Marc into an old man, explaining human aging along the way. ANIMATION: Speed of various animals.Fresh items for end of week: Karate is more than fights – it can be graceful dance called kata.ANIMATION: One billion years of Earth change is compressed into 1¾ minutes.