Watch the Extended Promo for Arrow “What We Leave Behind”

The promo for the next all new episode of Arrow has been released. The episode is called, “What We Leave Behind” and it will air on Wednesday, December 7.

In the episode, “After Prometheus attacks Curtis (Echo Kellum), Oliver (Stephen Amell) realizes Prometheus knows all of Team Arrow’s secret identities and is planning to come for them one by one. Felicity (Emily Bett Rickards) and Detective Malone (guest star Tyler Ritter) discover a clue that links Prometheus to Oliver’s past.”

Source: CW