The most all-around entertaining installment of the slasher series

Mary Lou returns from the Underworld to seduce a male student at Hamilton High (likable Tim Conlon) and wreak more havoc at the school.

“Prom Night III: The Last Kiss” (1990) and the previous film, "Hello Mary Lou," "Prom Night II" (1987), are the only installments in the franchise that are directly related in that they involve the malevolent spirit of Mary Lou Maloney. The original “Prom Night” (1980) is a whodunnit slasher with Jamie Lee Curtis while “Part IV” (1991) involves a crazy puritanical priest.

Yet all... read the rest.

In the third, but not the last, entry in the series, the horror is played for laughs. Alex (Tim Conlon) is an average high school student, and he is tired of it. His height is average, his shoe size is average, his grades are average, there is nothing special about him except his relationships with his girlfriend Sarah (Cyndy Preston) and best friend Shane (David Stratton). Luckily, Mary Lou Maloney (Courtney Taylor) has escaped from hell and is headed back to her old high school. Mary Lou was wronged in the past and decides to help Alex. He is soon the star of the football team, making the h... read the rest.