Arrowverse: Every Season Ranked Worst To Best

The Flash also struggled in its fourth year. Though still miles ahead of the previous entry, it just couldn't find its footing because a host of conveniences hindered what was nearly a great storyline.

All the potential in the world and a fantastic performance from Neil Sandilands wasn't able to get things in gear as The Thinker's master plan was one big plot device that produced multiple villain-of-the-week episodes - none of which had the magic of the previous standalone adventures.

The sidelining of Kid Flash was also very disappointing and the new corny tone made everything feel that much cheesier.