Most effective as a subverted Disney princess movie: The male dreamboat turns up too late to do much good, and doesn't even take measures to keep his beloved from choking on her own spit-up; the cute animal sidekick considers said spit-up a meal; the villain can't wait to make a meal out of our heroine; she buys him lunch.

Least effective as a scary shark movie: The CGI monster is too weightless to be menacing, and it's grumpy and vindictive…

For stoners by stoners! It’s peculiar that a movie that clearly involved the participation of many and multiple substances would make me feel like I’d just chugged four or five cheap lagers in rapid succession, but there you go. I love surprises.

Laughably (as in out-loud) inept for the first half or so, this takes a hard left into explicit violent death and convincing, meticulously executed psychedelic freakout effects that keep up until pretty much the last scene (strobe warning).…