According to a recent filming notification, Warner Bros. will be filming a new episode of the series in downtown Toronto, involving 'simulated single shot gunfire and SPFX squibs' :
"...Warner Bros. Television is currently in production of the TV series entitled 'NIKITA', starring Maggie Q as the latest actress to inhabit the role of Nikita. Now in its fourth season, we follow Nikita as she leads a black ops organization in charge of hunting down corrupt rogue spies all over the world.
"We would like to inform you that we wish to film interior scenes at Toronto Parking Authority, located at 2 Church St. on Wednesday August 7, between approximately 7:00AM and 11:00PM. These scenes will involve simulated single shot gunfire and SPFX squibs (small charges to simulate bullet hits), supervised by Toronto Police Service Emergency Task Force Officers.
"On behalf of Nikita Films we would like to thank you for your co-operation..."
Click the images to enlarge and Sneak Peek the "Nikita"Comic-Con sizzle reel for Season 4...