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The Best Action TV Shows of 2021

Updated April 21, 2021 3.2k votes 417 voters 31.3k views45 items

List RulesVote up the best action series that aired new episodes during the 2021 calendar year.

This list looks at the best current television action series that that will be airing new episodes in 2021. The best action series in 2021 include dramas, horror, superhero shows, spy thrillers, and even a heists. Which are the best new and returning action shows in 2021?

A really good action television series catches us up in its spell and shows like The Blacklist have kept us on the edge of our seats for years, though newer shows such as The Rookie are just as action-packed. Superhero shows and comic book TV series are both big parts of the best action series in 2021, and that of course includes The Boys and CW Arrowverse series like The Flash and Batwoman. Other great action series airing new episodes in 2021 include action sci-fi shows like The Expanse and the Spanish series Money Heist on Netflix. But not all action comes at a nerdy genre price, several 2021 action series are also good ol' crime dramas and tense procedurals, like Gangs of London, and Chicago Fire.

Which television action series are you going to watch in 2021? Keep the top of this list action-packed by voting up the best new and returning action TV shows to air in 2021.

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