2009: "Avatar"
Adjusted gross: $3.1 billion
Unadjusted gross: $2.78 billion
What it's about: The highest-grossing movie of all time — by far— "Avatar" is a science-fiction epic where a paraplegic marine inhabits another body to live on the moon of another planet and ingratiate himself into another population. But once he does so, he gets suspicious about the orders he's been given.