[s1e12] Bizarro Apr 2026

: Kara struggles to balance her duties with a burgeoning romance with Cat Grant’s son, Adam . After Bizarro interrupts their date and endangers the city, Kara realizes she cannot maintain the masquerade and breaks up with him, which also strains her relationship with Cat.

: Maxwell Lord finally reveals his secret experiment: a clone by conversion designed to destroy Supergirl. It took seven failed attempts—resulting in the deaths of the previous subjects—before this "Jane Doe" successfully survived the procedure. [S1E12] Bizarro

: The DEO discovers that since Bizarro is a molecular opposite, standard green Kryptonite actually makes her stronger and mutates her skin. J’onn J’onzz suggests reversing the ionic charge of green Kryptonite to create a blue-toned substance that can incapacitate her. Personal Stakes : Kara struggles to balance her duties with

: Lord manipulates Bizarro into believing Supergirl is "bad," leading to several high-stakes Beam-O-Wars where they pit their opposing abilities against one another. It took seven failed attempts—resulting in the deaths

The episode ends on a downer note; Bizarro is defeated and returned to an artificial coma at the DEO, with Kara feeling deep sympathy for the "innocent" girl Lord used as a weapon. The final scene sets up the next episode as Kara returns home to find a strange, tentacled "Black Mercy" creature on her ceiling. Supergirl (2015) S1E12 "Bizarro" Recap - TV Tropes