S3, E8: As Oliver, Arsenal and Diggle pursue a killer named Digger Harkness, they encounter an ARGUS team. Meanwhile, Oliver and the Flash team up to try to stop Harkness.

Starring Audrey Marie Anderson, Grant Gustin, Nick Tarabay
S3, E8: As Oliver, Arsenal and Diggle pursue a killer named Digger Harkness, they encounter an ARGUS team. Meanwhile, Oliver and the Flash team up to try to stop Harkness.