John Cho‘s Harold and onscreen friend Kumar kicked off the series in 2004 with the pothead munchies movie “Harold & Kumar Go to White Castle.” (Jason Merritt / Getty Images)
Kal Penn and John Cho followed up the “White Castle” trip with the sequel “Harold & Kumar Escape from Guantanamo Bay” in 2008. (Matt Sayles / Associated Press)
David Krumholtz returns as Goldstein. (Matt Sayles / Associated Press)
Melissa Ordway is Gracie. (Alberto E. Rodriguez / Getty Images)
“Wilfred” actor Chris Klein costarred with John Cho in the “American Pie” movies. The cast will reunite one more time for the 2012 sequel, “Reunion.” (Matt Sayles / Associated Press)
“American Horror Story” actress Mena Suvari will bring back her “American Pie” character, Heather, for “Reunion.” (Jason Merritt / Getty Images)
