2606 Nootka Street as Warehouse
Ramsey goes to buy another dark matter-powered gun but gets into a disagreement with the arms dealer and has to use his new powers to defend himself.
“A Flash of the Lightning” Filming Locations
Barry looks to the future to find answers to the coming disaster while Cecile goes to the bat for a young woman accused of a crime she believes she didn't commit.
The Flash episode “A Flash of the Lightning” was filmed in Vancouver, Burnaby, & Coquitlam in Canada.
The Imperial as Art Gallery
Cisco and Ralph take Frost on her first public outing to the art she where Kamilla is showing off her photographs and Frost is rudely dismissive of the artworks.
Source: JordanVanMusic — Twitter via What's Filming
Crease Clinic (Riverview Hospital) as Courthouse
Cecile meets with the judge to discuss Allegra's guilty plea but asks for bail instead when she uses her powers to realize Allegra might be innocent.
Crease Clinic (Riverview Hospital) as Iron Heights Prison
Allegra is in a prison fight when the particle accelerator detonates giving her her powers.
West Hastings Street & Bute Street as The Future
Barry gets a glimpse into the future of a wave of anti-mater killing off of his friends as Earth-1 is destroyed.