E1
Episode 1
Where to watch
Not streaming yet
Coming soon
No streaming availability found for 21 Again anywhere yet.
Seasons & Episodes
E2
Episode 2
E3
Episode 3
E4
Episode 4
Cast
More like this
Survivorman
2005 · 7.8
16 and Pregnant
2009 · 6.2
Welcome to Wrexham
2022 · 7.8
Paranormal Caught on Camera
2019 · 8.3
The Dead Files
2011 · 6.9
Beyond Belief: Fact or Fiction
1997 · 7.2
Trust Me: The False Prophet
2026 · 7.5
Earth at Night in Colour
2020 · 8.1
MegaStructures
2004 · 7.5
Dark Net
2016 · 5.9
History 101
2020 · 7.1
100 Humans: Life's Questions. Answered.
2020 · 6.0
21 Again — streaming FAQ
Which OTT platform streams 21 Again?
21 Again isn't streaming anywhere in United States yet.
Is 21 Again on Netflix?
No, 21 Again is not on Netflix in United States as of August 2026.
Is 21 Again on Amazon Prime Video?
No, 21 Again isn't on Amazon Prime Video in United States right now.
Where can I watch 21 Again for free?
21 Again is available to stream free (with ads) on Tubi TV in United States.
How many seasons are in 21 Again?
21 Again has 1 season in total (4 episodes). The series concluded in 2019.
Are all episodes of 21 Again out yet?
Yes — all 4 episodes across 1 season of 21 Again are out and available to stream.
Is there a Season 2 of 21 Again?
No — 21 Again ended after 1 season, so there is no Season 2.