Buffy the Vampire Slayer Season 1 Episode 9

The new principal forces Giles to run Sunnydale High's annual talent show, and Buffy, Willow and Xander have to perform against their will. As if this isn't bad enough, things go further awry when one of the talent show participants is found with her heart removed. Buffy and the gang race against the clock to find the killer, and all the clues point to Morgan and his ventriloquist dummy.