Monday's TV highlights: 'Better Late Than Never' on NBC
Supergirl With Reign (Odelle Annable) continuing to wreak havoc in National City, Supergirl (Melissa Benoist) enlists the help of Saturn Girl (guest star Amy Jackson), as well as two of Supergirl’s former foes, Psi and Livewire (guest stars Yael Grobglass, Brit Morgan) in this new episode....