Watch Arrow s5e15 online streaming free.
Description by couchtuner for Arrow Season 5 Episode 15 : Oliver faces his biggest challenge yet as mayor. Felicity continues down her dark path with Helix. After Vigilante attacks Oliver while he’s acting as the mayor, Diggle leads the team in a mission to stop Vigilante once and for all.
Watch It Here : Arrow Season 5 Episode 15 Fighting Fire with Fire
