That’s the number — $80 million — which my box office gurus are estimating for The Chronicles of Narnia: Prince Caspian‘s 3-day weekend haul. Showings of the joint Disney/Walden Media fantasy pic start in major outlets among the 3,929 theaters at 12:01 AM Friday, but of course the major moolah will be made during Saturday and Sunday kiddie matinees. I’ll have a more complete analysis later.