Following the epic four-series crossover with the mid-season finale feels like a difficult task, but Supergirl episode 309, "Reign,” delivers.
Hey there, Supergirl fans! It's Meg again, back this week to take a look at some of the introductions (and reintroductions) that happened tonight because, man oh man, that was kind of a lot to take in, right?
The latest hero to join the cast of Supergirl can likely relate to being far from home.
