Arrow - Season 4 Now
However, Season 4 is the season where Arrow forgot its identity. It tried to be a romantic comedy, a fantasy epic, and a dark vigilante thriller all at once. It succeeded at none of them. It set the show back years, forcing Season 5 to do a massive course correction (which thankfully worked).
And then the reveal happened.
The show stopped being about saving Star City and started being about whether Oliver remembered to call Felicity before a mission. When the protagonist's relationship drama overshadows the villain nuking a city (yes, that happens), you have a writing problem. Let’s discuss the elephant in the room: The Mystery Grave . Arrow - Season 4
They killed (Katie Cassidy).