“So, we think school events are stupid, and we think authority figures are to be made fun of.” Why, hello, Principal Snyder, clearly no one saw you there. “The Puppet Show” is not one of Buffy’s high points—though it does contain a Buffy high point at the very end—but it does feature the hideously, deliciously authoritarian debut of Armin Shimerman as Sunnydale’s new principal, who has almost as little patience for smug librarians as he does for rebellious students.