Consider the shrimp. Delicious to eat, whether doomed to a deep fryer or steamed and dunked in cocktail sauce. But, they're also quite enjoyable to watch prancing around! Especially in 3D, seen here, with a suitably sci-fi underwater soundtrack.
Who are the humanly named "prawn" aliens of District 9, and where did they come from? Director Neill Blomkamp reveals all to us about these beings, their planet, ships and possible home in the Andromeda Galaxy. Spoilers!