Langley Events Centre as Ice Cream Cart
Alex takes Ruby out for ice cream and a mysterious man tries to kill her.
“Dark Side of the Moon” Filming Locations
Kara's journey into space takes her to a piece of Krypton that survived the apocalypse while back on Earth Alex is attacked while out with Ruby and Lena struggles with a difficult decision.
Supergirl episode “Dark Side of the Moon” was filmed in Vancouver & Langley in Canada.
VanDusen Botanical Garden as Argo
The pod lands outside the strange city and Kara heads into town and grabs a disguise with her companion.
Walnut Grove Pub & Bistro as Dive Bar
Alex tracks Ron Collins down to a bar and confronts him about the attempt on her life.
Source: kayla_rueck — Twitter via What's Filming
Crosstown Elementary School as Rooftop near Park
Alex watches from the rooftop while J'onn poses as her but somehow the killer nearby realizes it is a ruse and fires at the real Alex.
The Dub Dispensary as Far Rooftop
The killer slides across a wire and then cuts it to stop pursuit but Alex just jumps the gap.