There is no official “Season 18” of Arrow . The search term you’re using may be a typo, a mislabel from a pirate site, or confusion with another CW show (like Supernatural or The Flash ).
While Blu-rays are natively 1080p, digital "backups" are often compressed to 720p to save space while maintaining decent quality. Why "Season 18" Appears Online arrow season 18 complete bluray 720p single free
You may have been confused by other "Arrow" related releases: Green Arrow #18 : This is a from the 2023–2024 run. There is no official “Season 18” of Arrow
: In many territories, the DC catalog including Arrow has migrated over to Max . Why "Season 18" Appears Online You may have
For safety and legality, opting for official channels to watch Arrow or any other TV show is recommended. Services like Netflix, Amazon Prime Video, and purchasing episodes through digital stores offer convenient, legal, and safe viewing options.