The CW's 'Arrow' is on target: 15 reasons you should be watching

If you're missing "Lost," the frequent flashbacks to Oliver's time on the island will totally quell your cravings... with the added bonus that they actually make sense. The insight to Oliver's five years of turmoil offers a fascinating glimpse at his transformation from a selfish, broken, and traumatized man to a passionate vigilante -- and they also give Amell a chance to show off his acting chops as he deftly visits Oliver in various stages of grief and growth.