Supergirl: Mr. & Mrs. Mxyzptlk

"Mr. & Mrs. Mxyzptlk" is the thirteenth episode of season two of the superhero fantasy series Supergirl, and the thirty-second episode of the series overall. It was directed by Tawnia McKiernan with a script written by Robert Rovner and Cindy Lichtman. It first aired on the CW Network on Monday, February 13th, 2017. In this episode, the trial of Lillian Luthor is underway, and her own daughter, Lena Luthor, is the star witness. However, with some help from Metallo, Lillian escapes from prison, but Lena is implicated in helping her escape and is arrested.