"NCIS", "NCIS: Los Angeles" Begin Filming More TV shows and movies have COVID precautions in place so filming can begin. NCIS and NCIS: Los Angeles are getting ready for the upcoming Fall television season. Both CBS shows plan on starting to film in early September. Of course, any changes during the pandemic could lead to a delay. Deadline reports that two other CBS dramas, Bull and Magnum P.I. are also getting the green light to start filming in September. Do you have a favorite network TV show or do you watch all of your shows on streaming services?