Dogs: Their Secret Lives (C4, 8pm) - Dogs are said to be a man's best friend, and recent research in Japan suggests that both owners and their animals experience a surge of oxytocin when they gaze into each other's eyes.Nevertheless, there are still questions over whether the relationship is mutually beneficial, and it is unknown whether canines get as much out of their relationships with humans as we do with our beloved pets. In the last of the series, vet Mark Evans and his team explore the...
