Supergirl Kara (Melissa Benoist) is confronted by Bizarro (Hope Lauren), a twisted version of Supergirl who is out to destroy her. Calista Flockhart and Blake Jenner also star in this new episode. 8 p.m. CBS
Superstore The employees of Cloud 9 brace themselves for their annual "Wedding Day Sale." With America Ferrera, Nichole Bloom and guest star Johnny Pemberton. 8 p.m. NBC
Crazy Ex-Girlfriend Rebecca (Rachel Bloom) learns that Josh (Vincent Rodriguez III) volunteers at a camp for at-risk youth and decides to join him, of course, in this new episode of the musical comedy. 8 p.m....