Last years crossover episode that aired on this show was fully Arrow centric and with good reason, it being the 100th episode. It was an emotional romp through the 5 years it accomplished. This years is more focused on moving forward the great story that spans four episodes. Thankfully, Arrow played its part and improved upon the previous entry with the surprising return of fan favourite characters, James Bamford's action and the progression of the Earth-X storyline.
Review of Crisis on Earth-X, Part 2
