Salvation

"Salvation" is the eighteenth episode of the first season of Arrow. It airs on March 27, 2013.

Synopsis
An angry resident of the Glades who calls himself "The Savior" embarks on a kidnapping and killing spree to punish those he believes have wronged the residents of his neighborhood. To make things worse, he broadcasts these murders online and claims he was inspired by Arrow's vigilantism. Oliver is horrified by this statement and vows to stop "the Savior", but his manhunt is intensified after Thea comes to him in tears and tells him Roy has been kidnapped. Laurel is surprised when her father starts to believe her mother's claim that Sara is still alive. Meanwhile, Malcolm tells Moira to find the person responsible for his attempted murder.

Production
Preparation ran from January 30 until February 7, 2013. Filming began on February 8 and ended on February 20, 2013.

Trivia

 * The episode's title is a reference to the island that Jen was stuck on.
 * Dinah mentions to Laurel that she'll be "home in a flash", specifically to Central City. In the DC comics, Central City is the home of the superhero The Flash. It is unknown if this is a joke on Dinah's part or the writers' part, however considering Arrow ' s realism, it is likely the latter.