The CW has just finished airing DC crossover event Crisis on Infinite Earths. The event is divided into 5 parts, spanning many of their superhero shows:

Part 1: Supergirl Part 2: Batwoman Part 3: Flash Part 4: Arrow Part 5: DC's Legends of tomorrow

That means it's time for us to talk about it!

As with most of our TV show episodes, there are some spoilers, but not too heavy.