First, follow renowned primatologist Jane Goodall into the Tanzanian wilderness, where she will introduce you to simian friends David Graybeard and Grandma Flo, in "Jane Goodall: My Life with Chimpanzees," National Geographic's stunning account of her decades-long residence in Africa. Next, head out to the vanishing American West for a visit with "America's Lost Mustangs," and see what is being done to preserve the remaining herds, which offer a living link to the country's frontier past. Narrated by William Shatner. 108 min. total. Standard; Soundtrack: English.