Supergirl [Linda Lee]; Johnny Blank [Prince Valzorr]; Zoxxo; Miss Hart (cameo)
Synopsis
Supergirl rescues a boy with amnesia found lost at sea. He stays at the orphanage until Linda can figure out where he's really from. She learns that he is a prince from the planet Korvia who is fleeing prosecution for a crime he didn't commit.
Supergirl [Linda Lee]; Mr. Wilkins; Mrs. Wilkins; Miss Hart
Synopsis
Linda has to scheme to prevent herself from being adopted to protect her secret identity. She spends 30 days with the Wilkins. Mr. Wilkins is a policeman.
Bizarro-Lois gives birth to Bizarro-Jr. No. 1 who, while he thinks like a Bizarro looks like Superman when he was Superbaby. When the child becomes publicly known, Bizarro takes him out into space and stores him in an abandoned space capsule. The capsule crashes on Earth and Bizarro-Jr. No 1 is taken to the same Midvale Orphanage where Linda Lee (Supergirl) lives.
Linda Lee is assigned to watch the newly named baby Buster which lasts until B-Jr. No. 1 remembers the existence of his parents and flies off. Supergirl and Superman take Bizarro Jr. to the Fortress where they have him adopted by two of Superman's robots. During Jr.'s sleep period Supergirl tries to do her chemistry homework and when her heat vision blows up her assignment she thinks she's turned baby Buster into a Bizarro!
Bizarro-Jr. finds Lex's Imperfect Duplicator while playing in the Fortress of Solitude and creates a Bizarro-Supergirl. Superman and Supergirl decide to return "Buster" to Bizarro World but Bizarro-Supergirl wants to keep him for her own. Bizarro spots his now-acceptable-looking child and leads all the Bizarros into war against Earth to get him back.
Supergirl [Linda Danvers]; Dick Malverne; Jerro; Edna Danvers; Lori Lemaris; The Supergirl Emergency Squad (introduction); Legion of Super-Heroes [Phantom Girl; Cosmic Boy (figurine); Saturn Girl (figurine); Lightning Lad (figurine)]
Synopsis
A gift from Phantom Girl is unfortunately made from Red Kryptonite, which makes Supergirl bestow super-powers on her mother, Dick, and Jerro when she kisses them.
Supergirl [Linda Danvers]; Comet the Super-Horse [also as Biron] (as Biron in flashback, origin); Fred Danvers; Edna Danvers; Mace Greede; Matt Carver; Streaky the Super-Cat (cameo); Krypto (cameo); Superman (cameo); Maldor (flashback); Circe (flashback)
Synopsis
Comet telepathically tells Supergirl how he was originally human, and loved by the sorceress Circe, until a jealous rival caused him to be changed into a horse.