There's a new vigilante in town, the Deadly Nightshade, who fights crime by killing criminals. The Flash and the original Nightshade team up to take him down.

Cast: John Wesley Shipp, Amanda Pays, Alex Désert, Richard Belzer, Jason Bernard, Richard Burgi, Denise Crosby, Mike Genovese, Will MacMillan, Dick Miller, Gloria LeRoy, Charles McDaniel, Jeri Ryan, Jonathan Fuller