Sword Art Online: Alicization - War Of Underworld -

Episodes 25–47 (often split into Part 1 and Part 2). Plot Arcs & Synopsis

Canon film that introduces technology and characters relevant to Alicization . Sword Art Online: Alicization - War of Underworld

Establishes Kirito, Asuna, and the core cast. Episodes 25–47 (often split into Part 1 and Part 2)