Supergirl | Heroes v Aliens Trailer | The CW

https://www.youtube.com/watch?v=qQD0FF15zrI

The 4-Night Crossover Event starts tonight on Supergirl, continues tomorrow on The Flash, on Wednesday it picks up on The Arrow and concludes on Thursday Night on Legends of Tomorrow. I'm excited for this. This is what I have been waiting for since news that Supergirl was moving from CBS to the CW. With that said, I will be waiting for all the episodes to air this week and then binge watch them on Saturday Night. I want to watch it all in one day instead of one week.