Oliver Queen Promises to End Darhk's War in New "Arrow" Teaser

The latest trailer for "Arrow" season four flashes back to Team Arrow's past triumphs before reminding viewers of this season's stakes with a shot of Oliver standing beside the often-teased grave -- where he promises to end the war he's been fighting once and for all.

RELATED: Who's in the Grave? Examining the Clues from "Arrow's" Midseason Premiere

Starring Stephen Amell and Emily Bett Rickards and David Ramsey, "Arrow" airs Wednesdays at 8 pm EST on The CW.

Jeopardy! Host Alex Trebek to Undergo New Rounds of Chemo

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