Trivia: Jon Cryer, who plays Lex Luthor, played Lex's nephew Lenny in Superman IV: The Quest For Peace.
Trivia: The way Deegan as Superman tries to break Barry's neck resembles Superman doing the same thing with Zod in The Man of Steel film.
Trivia: The way Clark smashes the coal to get a diamond resembles Superman 4.
Trivia: The hammer used by Lois is similar to the one used by Steel, another DC superhero.
Trivia: Although they play mother and son in this episode, Brenda Strong is only five years older than Jon Cryer.
Trivia: Kara and Barry slowed time by running around the earth, that resembles what Superman did in Superman the Movie.
Trivia: While the two Supermen are fighting, a girl calls one of them Bizarro, he is another enemy of Superman.
Answer: Yes, s02e22. As Kara leaves her office, she said "go get them, Supergirl" to herself. After season 1, the show switched from a CBS production to a CW production and filming moved from L.A. to Vancouver. Flockhart isn't really a fan of traveling to shoot, and didn't want to be away from her family for so long.
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