SAO has essentially no filler but the Fairy Dance arc (eps 15–24) is often skipped by fans despite being canon.

Watch Order

1
Sword Art Online (2012)25 Episodes

Aincrad arc (eps 1–14) and Fairy Dance arc (eps 15–25). Trapped in SAO then ALO.

2
SAO II (2014)24 Episodes

Gun Gale Online (Phantom Bullet arc) and Calibur/Mother's Rosario arcs.

3
SAO: Alicization (2018–2020)47 Episodes

The longest and most ambitious arc. Kirito in the Underworld — widely considered the best arc.

4
SAO: Progressive (2021)Film series

Retelling of Aincrad with more detail. Ongoing film series.

Tips for New Sword Art Online Viewers

About Sword Art Online

Sword Art Online trapped 10,000 players in a virtual reality MMORPG where logging out is impossible and in-game death means real death. Kirito, a solo player (Beater), fights to reach the 100th floor ...

Filler Info

SAO has essentially no filler but the Fairy Dance arc (eps 15–24) is often skipped by fans despite being canon.

Power System

Understanding Virtual Reality Game Mechanics / Skills System deepens your experience.

After the Anime

Check the manga for story beyond the anime adaptation.