What is the difference between SAO and SAO 2?

Ve
3

I wanted to look at Netflix SAO but then I noticed there are two parts and wanted to know the difference.

Ro

SAO II is the sequel.

te

It's just the different seasons and thus the continuation of the previous season.

Season 1: Sword Art Online
Season 2: Sword Art Online II
Season 3: Sword Art Online: Alicization

An

SAO is the first season and SAO 2 is the second season