Arcane 1x1 Welcome to the Playground Season 1 Season 1 9 Episodes YouTubeEnglish - HD 1x1 - Welcome to the Playground 1x2 - Some Mysteries Are Better Left Unsolved 1x3 - The Base Violence Necessary for Change 1x4 - Happy Progress Day! 1x5 - Everybody Wants to Be My Enemy 1x6 - When These Walls Come Tumbling Down 1x7 - Episode 7 1x8 - Episode 8 1x9 - Episode 9 Orphaned sisters Vi and Powder bring trouble to Zaun's underground streets in the wake of a heist in posh Piltover.