Early in this month of December, the DC Superhero fans have gotten quite a good appetizer when "Arrow" and "The Flash" did two crossover episodes. And, now the much-anticipated entrée was about to be served.
This coming December, two of CW's popular comic-inspired hit TV series, "Arrow" and "The Flash," will be doing another crossover episodes, which the shows' execs intend to do in an annual basis.
