Home Blog Arrow Midseason Finale Trailer BlogNewsChannelsSuperheroesTelevisionVideos Arrow Midseason Finale Trailer By Alex Bean - December 1, 2016 755 0 Facebook Twitter Google+ Pinterest WhatsApp The trailer for “Arrow”‘s midseason finale entitled “What We Leave Behind” doesn’t have the promise of an alien meteor ship like “The Flash” has in his trailer, but it has all the usual lectures about saving the city….