Is this the most adult G-rated film ever?

Decades before Michael Crichton conjured up his bestselling tale of dinosaurs run amok in modern times, he envision an apocalyptic outbreak of extrerrestria origin, as depicted in “The Andromeda Strain” (1971; 131 minutes), directed by Robert Wise, chosen by Jim Krabec, and slated for CineVerse on Dec. 4.