Watch A Sneak Peek From Arrow 6×16 “The Thanatos Guild”

A brand new sneak peek from the new episode of Arrow has been released. This new episode is titled “The Thanatos Guild” and it will air tonight, March 29.

In the episode, “Nyssa Al Ghul (guest star Katrina Law) returns to Star City to warn Thea (Willa Holland) that a group of renegade League of Assassins members are planning to attack her. This group, led by Athena (guest star Kyra Zagorsky), is intent on finding a mysterious box that Malcolm left behind and will stop at nothing to get it. Nyssa helps Oliver (Stephen Amell) come to a life-changing realization.”

Source: The CW