Kara faces off against her mirror image when Bizarro (Hope Lauren), a twisted version of Supergirl, sets out to destroy her. Also, Kara grows closer with Cat’s son, Adam (Blake Jenner), on SUPERGIRL, ...

The premise of My Super Ex-Girlfriend is hard to stomach at first: Someone breaks up with Uma Thurman? Whatever. That would never happen. It’s worth accepting that improbable detail, though—because if ...