Preview images for the Supergirl episode "Mr. & Mrs. Mxyzptlk"
Screen captures from the preview trailer for the Supergirl episode "Mr. & Mrs. Mxyzptlk"
Trailer previewing the Supergirl episode "Mr. & Mrs. Mxyzptlk"
Official CW description for the Supergirl episode "Mr. & Mrs. Mxyzptlk"