题目内容：

    Returning for its second season, Spy in the Wild aims to give viewers 1.  unparalleled look into a hidden natural world of the animal kingdom. 2. (sponsor) by the BBC, the documentary follows the tradition of the first season while introducing camera technology that goes beyond the animal kingdom.

In this season, more than 50 spy robots 3. (allow) to explore animal groups in all kinds of territory, 4. under the Pacific Ocean to the harsh Arctic cold.      But these undercover 5. (agent) don’t just record everyday goings-on – they capture the relatable emotional connections shared between animals, first-hand. The documentary also won plaudits among critics. Brad Newsome of the Sydney Morning Herald wrote, “It’s right from the start as ingeniously designed robot animals bring us6. (incredible) intimate footage (详尽的镜头) of 7. (they) flesh-and-blood counterparts (同类).”

8. (speak) to PBS, the show’s director John Downer said, “The whole point is trying to get 9. (close) than we ever have before to capture those elusive  moments 10. they start to reveal the kind of emotions we have.”