"The Purge" producers are already planning a sequel for this weekend's surprise hit, which has earned $36 million dollars so far on a shoestring budget of $3 million, according to The Hollywood Reporter.
The film, which stars Ethan Hawke and Lena Headey as parents in a society where all crime is legal once a year, shocked industry insiders who expected "The Purge" to vie for the third box office slot, according to USA Today.