Originally aired on October 19, 2006, " Arrow " shifted Smallville from a teen drama about Clark Kent’s origins into a broader DC Universe epic.

Unlike Clark, who operates strictly within the law at this stage, Oliver is a "modern-day Robin Hood" who steals from the corrupt rich to return items to their rightful owners or donate to museums. This creates a moral friction between the two heroes that would define their relationship for seasons to come. Smallville "Arrow" (Season 6, Episode 4) review

The episode centers on a masked thief dubbed the "Green Arrow Bandit" by Lois Lane. This vigilante makes a dramatic entrance by stealing an expensive necklace from Martha Kent during a Metropolis fundraiser. Clark investigates the theft and soon discovers the man behind the mask is none other than billionaire .