Heathers There’s no denying that debuting writer...

Heathers There’s no denying that debuting writer Daniel Waters and director Michael Lehmann have come up with a darkly outrageous satire of cruel high school mores, but they eventually lack the courage of their material. Even so, they’re striking talents, as are their stars Winona Ryder and Christian Slater. (1 hour, 30 minutes) (HBO early Sunday at 4:30 a.m.)