Sword Art Online watch order
Season 1, Season 2, the Ordinal Scale movie, then Alicization.
- Sword Art Online (TV, 2012)
- Sword Art Online II (TV, 2014)
- Ordinal Scale (film, 2017)
- Alicization (TV, 2018–2019)
- Alicization – War of Underworld (TV, 2019–2020)
Optional: Progressive – Aria of a Starless Night (2021) and Scherzo of Deep Night (2022) retell the first game from Asuna's side, any time after Season 1. Gun Gale Online is a separate spin-off. Extra Edition is a recap.