Panther Paintball as Paintball Course
Mxyzptlk transports Alex and J'onn to a paintball game to keep them occupied while he helps Kara.
“It's a Super Life” Filming Locations
Mxyzptlk gives Kara a chance to change the past and tell Lena her secret identity sooner.
Supergirl episode “It's a Super Life” was filmed in Vancouver & Surrey in Canada.
Hornby Plaza as Metropolis Plaza
Lena visits Sam in Metropolis to talk about Kara's reveal just before the atmosphere is laced with Kryptonite.
Mountain View Cemetery as Cemetery
Alex visits Kara's grave with Thanksgiving leftovers after her death from the Kryptonite-laced atmosphere.
Vancouver Convention Centre as DoJ Courtroom
Lena is testifying during Lillian's trial when the defense attorney asks that she reveal Supergirl's identity.
Source: What's Filming — Twitter
Hornby Plaza as Plaza near Alien Affairs Building
Thomas Coville sings Lena's praises during a Cult of Rao rally after she protected Supergirl's identity during Lillian's trial and later Kara reveals her identity to save Lena.
West Hastings Street (between Hornby & Howe) as Street outside L Corp
Ben Lockwood demands that Lena reveal Supergirl's identity and then kidnaps her when she refuses.
Station Street (between Prior & National) as Street behind Kara's Apartment
Kara and Mxyzptlk appear in the ruins of Kara's apartment in a dystopian reality where Kara never became friends with Lena.