Supergirl

Mr. & Mrs. Mxyzptlk (2x13)

Air date: Feb 20, 2017

Mr. Mxyzptlk, a magical imp, wreaks havoc on National City after being spurned by Kara. Mon-El and Kara argue over how to get rid of Mr. Mxyzptlk, further straining their relationship. Meanwhile, Alex and Maggie celebrate their first Valentine’s Day together.