Night of the Lepus (1972)

When an experiment goes horribly awry, a herd of giant killer rabbits are sent galloping across the globe in this gross-out horror movie from 1972. The technical details of the plot, which involve a hormone designed to quash the rampant sexual proclivities of rabbits, are wisely dispensed with early on in order to allow the rampant bunnies enough screen time to rip into their human persecutors. As the giant beasts throw off the cute, loveable mantle they've worn for so long, a cast including Janet Leigh (PSYCHO) and DeForest Kelley (Leonard "Bones" McCoy from STAR TREK) attempts to fend them off. The primitive special effects and hammy performances have turned NIGHT OF THE LEPUS into a cult classic over the years, with viewers finding themselves tickled by the actors in bunny-suits who woefully try to replicate an exaggerated version of the real thing. After the wonderfully silly film wrapped, director William F. Claxton's career took a surprising turn, as he helmed episodes of popular TV shows such as FAME and LITTLE HOUSE ON THE PRAIRIE.