Queen Elizabeth Theatre as Spherical Announcement
Kara attends a product announcement with Lena being put on by Lena's ex.
“Ace Reporter” Filming Locations
Someone from Lena's past resurfaces to introduces a new high-tech product which is dangerous according to a tip Kara receives.
Supergirl episode “Ace Reporter” was filmed in Vancouver & Langley in Canada.
20175 100a Avenue as Vigilante Work
James finishes taking out a criminal and returns to the van to find Winn making out with Lyra.
Waterfront Pier as Parking Lot at Fourth & Main
Kara meets with the whistleblower from Spherical who tells her some important information before being killed.
21183 #105 88 Avenue as Liquor Store
James and Lyra stop a liquor store robbery where Lyra gets a bit too aggressive with the young criminal.
1436 Pendrell Street as Derrick Simmons's Apartment
Kara follows Snapper to a meeting with an informant and she has to swoop in when the nano-swarm attacks.
Source: BroNed — Twitter
20146 100a Avenue as More Vigilante Work
James returns to the van after another bit of vigilanting and he apologizes to Winn and brings Lyra back onto the team.