Christ Church Cathedral as Lisbon Cathedral
Kara, Alex, and J'onn head to Lisbon to recover the Totem of Love but Nyxly arrives shortly after them with some extra firepower.
“I Believe in a Thing Called Love” Filming Locations
Lex returns from the future in love with Nyxly and ready to cause problems while Alex plans her proposal to Kelly.
Supergirl episode “I Believe in a Thing Called Love” was filmed in Vancouver & Langley in Canada and in the United States of America.
9790 198b Street as Alley
William ignores a call from Andrea while waiting for his contact who is close to Lex.