John Cho and Kal Penn are set to reprise their roles as stoners in the sequel to Harold & Kumar Go to White Castle. The screenplay is by Jon Hurwitz and Hayden Schlossberg, who penned the original script and will co-direct the sequel. Production is planned for a late January start date in Shreveport, Louisiana. Harold & Kumar 2, the cross-country adventure follows the pot-smoking duo as they try to outrun the authorities after being suspected as terrorists when they try to sneak a bong on board a flight to Amsterdam.