Researchers are quickly finding that among animals, "man's best friend" might also be man's smartest friend! This "Nova" program reviews the latest insights concerning the surprising intelligence of dogs and the special, very emotional bonds that are formed between these pets and their owners. Also examined are the fascinating comparisons between dogs and wolves, as well as recent Siberian efforts to domesticate foxes. 60 min. Widescreen (Enhanced); Soundtrack: English Dolby Digital stereo; Subtitles: English (SDH).