Most critics respond warmly to Heroes, with praise concentrated on its first season rather than its full run. The reviews favour its character-led approach to superpowers, inventive plotting and ability to make a sprawling serial accessible. The cast and writing receive repeated approval, while the gradual connections between characters give the central threat momentum. Several critics value the balance between intrigue and answers; optimism and fresh ideas also help distinguish the series.
Reservations concern both the time it takes to gather pace and what happens after that opening season. Variety supplies the sole mixed assessment, finding style and promise in the premiere but questioning its broad appeal as storylines converge slowly and some characters prove less engaging. The retrospective reviews are positive about the first season but agree that later instalments cannot sustain it. The spread therefore reflects different viewing points as well as different levels of enthusiasm.