Top 2021 TV Shows
The most popular TV shows that premiered in 2021, ranked by what viewers are watching right now on Sflix. Every series here is available to stream free in HD — the ranking refreshes throughout the day.
Eps6
Six Degrees with Mike Rowe - Season 1
Documentary, Reality
Eps8
The Engineering That Built the ..Season 1
Documentary
Eps2
La France de l'après-guerre - Season 1
Documentary
Eps5
The Children of Ruinerwold - Season 1
Documentary
Eps3
Social Media Murders - Season 3
Crime, Documentary
Eps3
The Curse of Von Dutch ..Season 1
Documentary
Eps4
Always Jane - Season 1
Documentary
Eps10
Marriage or Mortgage - Season 1
Reality
Eps1
Christmas Cruising with Susan ..Season 4
Documentary
Eps8
Aliens In Alaska - Season 1
Documentary, Reality
Eps5
Ambient Swim - Season 3
Animation
Eps7
The Ferragnez - Season 2
Documentary
Eps3
Sparking Joy with Marie Kondo - Season 1
Documentary, Reality
Eps6
WWII Battles in Color - Season 1
Documentary, War & Politics
Eps15
Expert Witness - Season 5
Crime, Documentary
Eps11
Extreme Sisters - Season 2
Reality
Eps5
The Family That Sings Together ..Season 1
Reality
Eps10
Exhumed - Season 2
Crime, Documentary
Eps8
The Buildings That Fought Hitler - Season 1
Documentary, War & Politics
Eps6
Called to the Wild - Season 1
Reality
Eps6
Swap Shop - Season 2
Reality
Eps8
90 Day Fiancé: TOW Strikes Back! - Season 1
Reality
Eps4
Mad Crazy Colombian Comedians - Season 1
Comedy
Eps4
Onision: In Real Life - Season 1
Documentary
See also: Top 2021 Movies · Top 2020 TV Shows · Top IMDb
Frequently Asked Questions
How is the Top 2021 TV Shows list ranked?
By current popularity (TMDB popularity score, refreshed hourly), limited to series that premiered in 2021 that are available to stream here.
How often does this list change?
Popularity is refreshed every hour and new 2021 releases are added as soon as they become available, so the order shifts daily.
Can I watch these 2021 tv shows free?
Yes. Every title on this list can be streamed free in HD on Sflix, no signup required.
