“Flash of Two Worlds” Filming Locations

Barry must learn to work with the other Flash to stop another killer from the other Earth while Joe deals with a potential new partner for the meta-human task force.

The Flash episode “Flash of Two Worlds” was filmed in Vancouver in Canada.

Vancouver City Hall as Central City Police

Joe and Patty release this world's Eddie Slick only to have the alternate Eddie Slick arrive and kidnap Patty.