Dennis Harvey Film CriticAfter roiling a Polish village as an impostor priest in Oscar-nominated “Corpus Christi,” star Bartosz Bielenia tries to rattle the entire nation in “Prime Time.” His character here is another malcontent, this one armed and ready to take over a TV studio on New Year’s Eve with a special message for the world. But he’s a bit too literally a rebel without a cause: We never discover just what this protagonist’s protesting gripe is.