October 2, 2013 12:38 pm This Week on Open House Don’t miss an all-new Open House Sunday on NBC. Check your local listings for air times. Catch Open House 8:30AM EST on NBC 4 New York. Local 1:45 NYPD enters Columbia University in riot gear to clear protest 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug 2:28 King Charles returns to public duties amid cancer diagnosis