|Season 4, Episode 17|
|Episode Guide Transcript|
For Better Or Worse
A League Of Their Own
Light A Fire is the seventeenth episode of Arrow Season 4 and the 86th episode overall.
WEEKEND PARADISE- Oliver and Laurel take Sara on a weekend trip to try and strip away H.I.V.E.'s conditioning and find themselves the target of an arsonist. Nyssa frets over Diggle's shocking attitude toward Malcolm's latest machinations and discovers a shell-shocked Thea wandering the streets.
- Stephen Amell as Oliver Queen
- Katie Cassidy as Laurel Lance/Black Canary
- David Ramsey as John Diggle/The Guardian
- Willa Holland as Thea Queen
- Katrina Law as Nyssa al Ghul
- Caity Lotz as Sara Lance/White Canary
- Colin Donnell as Tommy Merlyn
- Audrey Marie Anderson as Lyla Diggle
- Deborah Ann Woll as Andrea Beaumont
- Bex Taylor-Klaus as Cindy
- and John Barrowman as Malcolm Merlyn
- Antagonist: Vincent Greene
- First appearance of Thea since In Absentia, her longest consecutive absence to date.