“When the world needed heroes, they got Nein.”
Watch The Mighty Nein for Free in 123Movies
The Mighty Nein (2025) – Official Series Trailer, Cast & Seasons
The Mighty Nein at a Glance
The Mighty Nein is a 2025 animation, action & adventure and sci-fi & fantasy TV series with a cast led by Laura Bailey, Taliesin Jaffe and Liam O'Brien. It first aired on November 19, 2025 on Prime Video and has 1 season and 8 episodes. TMDB lists it as a returning series, and it is rated 8.1/10 by TMDB users across 139 votes.
Watch the official The Mighty Nein trailer for free in 123Movies below.
1080p HD • Free YouTube Stream
Seasons & Episode Catalog (2)
Specials
3 Episodes • 2025
Season 1
8 Episodes • 2025
Where “The Mighty Nein” Fits in the 123Movies Catalog
Frequently Asked Questions About The Mighty Nein
When did The Mighty Nein first air?
The Mighty Nein premiered on November 19, 2025 on Prime Video.
How many seasons does The Mighty Nein have?
The Mighty Nein has 1 season with 8 episodes in total, according to TMDB.
Is The Mighty Nein still running?
Yes. TMDB lists The Mighty Nein as a returning series.
Who stars in The Mighty Nein?
The Mighty Nein stars Laura Bailey as Jester (voice), Taliesin Jaffe as Mollymauk (voice), Liam O'Brien as Caleb (voice) and Marisha Ray as Beau (voice). The cast also includes Sam Riegel and Travis Willingham.
What network is The Mighty Nein on?
The Mighty Nein airs on Prime Video.
What genre is The Mighty Nein?
The Mighty Nein is listed on TMDB as a mix of animation, action & adventure and sci-fi & fantasy.
What is The Mighty Nein rated?
The Mighty Nein is rated TV-MA in the United States. On TMDB it has an average user score of 8.1/10 from 139 votes.
Where can I watch the trailer for The Mighty Nein for free?
You can watch the official trailer for The Mighty Nein for free on this 123Movies page. It is embedded from YouTube.
What shows are similar to The Mighty Nein?
Series TMDB recommends alongside The Mighty Nein include RWBY (2013), Misfits of Science (1985), SAINT SEIYA: Knights of the Zodiac (2019), Titans (2018) and Lazarus (2025).
Can I watch full episodes of The Mighty Nein on 123Movies?
No. 123Movies only shows official trailers and series information. Full episodes are not hosted or linked on this site.
RWBY
Misfits of Science
SAINT SEIYA: Knights of the Zodiac
Titans
Lazarus
Devil May Cry
The Witcher: Blood Origin
Harley Quinn
Black Lightning
Krypton
The Umbrella Academy
