Their mission? To observe human life.
You can own the whole mission report. 139 episodes of aliens trying to understand handshakes, orgasms, and fast food. No prior knowledge of the universe required. Just press play, and try not to blow your cover by laughing too hard. 3rd Rock from the Sun Complete Series
Once upon a time in the 1990s, a high-ranking extraterrestrial named Dick Solomon, his brilliant but no-nonsense second-in-command Sally, their ancient, horny old-man lieutenant Tommy, and the emotionally unstable but genius Harry crash-landed in the quiet college town of Rutherford, Ohio. Their mission