John Barrowman is making his presence felt strongly on Arrow. He's pictured here in the role of Malcolm.
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Oliver shares a quiet moment with Moira in this Arrow scene. It's courtesy of the episode "Betrayal."
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Slade attacks Arrow in the hopes that he can regain his place as the leader of the underworld on Arrow. "Betrayal" is the 13th episode of the show's first season.
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Arrow Season 1 Episode 13 Quotes

The experience of helping others it its own reward.

Laurel

I've been researching some of those people online and....they're not good people.

Oliver