Parking Lot (at Kerrina & Oak) (Riverview Hospital) as Confronting Savitar
Barry confronts Savitar and reveals that he knows the villain's identity.
“I Know Who You Are” Filming Locations
The team works to protect Tracy Brand, the scientist who will go on to build the trap for Savitar, from Killer Frost.
The Flash episode “I Know Who You Are” was filmed in Vancouver & Coquitlam in Canada.
North Lawn Building (Riverview Hospital) as Central City University Physics Building
Cisco, Barry, and H.R. head to the university to talk to Tracy Brand about her research.
Canada Post Main Office as Warehouse
Caitlin talks to Savitar after failing to kill Tracy Brand at the university.
Queen Elizabeth Theatre as Central City Theatre
H.R. approaches Tracy Brand at Jitters to keep an eye on her and talks about her research into the Speed Force.
Canada Post Main Office as Across from Theatre
Barry and Joe sit in the car across the street from the Jitters.
Thornton Park as Galileo Statue Park
H.R. finds Tracy Brand sitting in the park looking up at the Galileo statue and talks about her worries.