100:00:22,356 --> 00:00:23,812And so it began.200:00:23,899 --> 00:00:26,015Thirty thousand years ago,300:00:26,109 --> 00:00:29,522man discovered his best friend.400:00:31,949 --> 00:00:33,860Ooh!500:00:33,951 --> 00:00:35,532Dogs were man's best friend600:00:35,619 --> 00:00:40,864and only animal companionfor the next 15,000 years.