The new Android phones are testing well with critics. Some of the slogans are pretty catchy, too: the Motorola Droid tagline reads, "In a world of 'doesn't,' Droid does." But in this world of droids-as-accessories, we can recall a time when droids were valued purely as entertainment. We've put together a list of our favorite robots, cyborgs, and androids from film and television throughout the years.