What a mess! Every part of it lets you down. The looming sense of dread they try to build just drags instead. The CGI isn't good enough to pull off any of the big end-of-the-world set pieces. The characterization is totally inconsistent; even these extremely talented movie stars can't make the dialogue seem natural or the characters make sense.

My peak disappointment was the paired scenes of Julia Roberts and Mahershala Ali dancing and Ethan Hawke and Myha'la smoking by…