The highest-grossing film of all time is straight-up sci-fi and yet in 15 years at this place we’ve never talked about it. That ends now, as we put on our oxygen masks and venture out into the moon of Pandora to meet the local Na’vi and the interloper Sky People and discuss why James Cameron’s “Avatar” became an enormous hit and then disappeared entirely (other than the theme-park attactions) until re-emerging with a sequel that was also an enormous hit.

"Avatar"

Jason Snell with Erika Ensign, Brian Warren, Brian Hamilton and Chip Sudderth