Now, the actual Potter marathon -- in which all five films are screened in order of when they were released -- is only taking place on Friday, December 19th, Saturday, December 20th, and Sunday December 21st ... and those shows begin at 10am with Harry Potter and the Sorcerer's Stone. The screenings, however, will run through Wednesday, December 24th. You can purchase advance tickets over at the Clearview Cinemas website, and you can check out a complete schedule
Harry Potter and the Sorcerer's Stone   
Friday, Saturday and Sunday, 10:00 am    
Monday 2 pm    
Tuesday 8 pm 
Harry Potter and the Chamber of Secrets   
Friday, Saturday and Sunday, 1 pm    
Wednesday, 2 pm 
Harry Potter and the Prisoner of Azkaban   
Friday, Saturday and Sunday, 4:10 pm    
Wednesday, 5:15 pm 
Harry Potter and the Goblet of Fire   
Friday, Saturday and Sunday, 7 pm    
Tuesday, 2 pm    
Wednesday, 8:15 pm 
Harry Potter and the Order of the Phoenix   
Friday, Saturday and Sunday, 10:10 pm    
Tuesday, 5:15 pm