Watch The Arrow 6×18 Promo “Fundamentals”

The promo for the new episode of Arrow has been released. This new episode is titled “Fundamentals” and it will air on April 12.

In this new episode, “In his darkest place yet, Oliver (Stephen Amell) wonders if he has failed at everything – being a father, a mayor and a hero. His frustration rising, Oliver lashes out at Felicity (Emily Bett Rickards) and William (guest star Jack Moore). A surprising visit from an old friend has Oliver questioning his next move.”

Source: The CW