This week's episode of "Arrow," while perhaps not the best episode of the series, I would say is the best of the season.
( Spoilers )

Excerpt:

Quentin watched the man in the yellow suit retract his fist (and a good portion of his arm) from Malcolm Merlyn's body. Harrison Wells sped away before the corpse had finished hitting the ground.

All Lance could think was: 'Not another effing vigiliante!'