What To Watch (And Skip) This Week

It's a whole week of new premieres revolving around the heroes of the DC Universe and their shows on the CW. Which of these shows kicks off with a bang and which ones fail to hit the mark?Over the course of the next couple of months, we'll be looking at a selection of new and returning shows and giving you a quick breakdown of what is worth watching and what you should pass on. This week, we're talking about Supergirl, The Flash, and Legends of Tomorrow.Supergirl: "Girl of Steel"After the loss o