"Arrgh!" Sirius screamed, reacting so violently that his popcorn spilled to shower down on all four of them. Sirius cowered in his seat, his hands clasped firmly over his eyes, the mess of popcorn ignored. Remus tried to contain himself for appearances sake, but when he caught James' awestruck look, he couldn't help it. He giggled, and then he snorted. Before long tears were pouring down his face and he was in a most undignified position as his and Peter's bodies wracked with spasms of laughter. Ice Age was a movie for little children, but they kept that to themselves.