YouTube · 2026 · currently airing
Masters of the Universe: Tales from Eternia
There is a new He-Man cartoon running right now, it is free, and almost nobody noticed. Twenty four-minute episodes, weekly, on Mattel’s own YouTube channel since June. Here is what it is and how to catch up.
Updated July 29, 2026
The essentials
| Title | Masters of the Universe: Tales from Eternia |
| Platform | The Mattel Adventures channel on YouTube, free and ad-supported |
| Format | 2D animation, roughly four minutes per episode |
| Episodes | 20, released weekly |
| Premiered | June 19, 2026 |
| Runs through | November 20, 2026 |
| Showrunner | Mike Roberts, who also executive produces |
| Produced by | Mattel Studios with Snipple Animation Studios |
What it is
Announced in 2025 as an animated prequel tied to the live-action film, and quietly repositioned by launch into something looser: fast, short, standalone Eternia stories, partly framed through Skeletor introducing and insulting the cast. The four-minute runtime tells you the audience. This is built for a phone, for kids, and for keeping the brand warm between the film’s theatrical run and its streaming life.
Animation is by Snipple Animation Studios, a London-headquartered outfit with production in the Philippines whose credits include the 2020 Animaniacs, DuckTales and Teen Titans Go!.
Because it went out on YouTube rather than a subscription platform, it has had almost no coverage relative to the film. If you have been waiting for the next He-Man cartoon, it has been airing since June.
Why you will see two different premiere dates
Some coverage, including an earlier post on this site, puts the premiere at June 10. That date came from the initial announcement and from a preview Mattel put on the channel ahead of the series. The series proper began on June 19, which is the date in Mattel’s own press release and in the trade coverage that followed it.
Short version: June 10 was a taster, June 19 was episode one.
Voice cast
An entirely fresh cast, with no crossover to the film or the Netflix shows.
| Character | Voice |
|---|---|
| He-Man | Aidan Reimer |
| Skeletor | Jonah Hundert |
| Teela | Olivia Sgambelluri |
| Evil-Lyn | Tiffany Smith |
Episode one, "He-Man’s Secret Power!", has Adam learning that leadership takes more than strength and a sword. Later episodes cover Battle Cat’s arrival, Man-At-Arms’ inventions and infighting among Skeletor’s henchmen.
The character shorts are a separate thing
Alongside the twenty episodes, Mattel put out a run of standalone character spotlight shorts on the same channel, starting around the film’s June 5 opening, in which Skeletor introduces each of the main cast in his own uncharitable style. They are not part of the Tales from Eternia episode count. We have not seen a confirmed total for how many shorts there are, so we are not going to state one.
Frequently asked
What is Masters of the Universe: Tales from Eternia?
A 2D animated short-form series on Mattel’s YouTube channel, running 20 roughly four-minute episodes weekly from June 19 to November 20, 2026. It was announced as a companion to the 2026 live-action film and is aimed at a younger audience.
Where can I watch Tales from Eternia?
Free on the Mattel Adventures channel on YouTube. It is not on Prime Video. The live-action film is the Prime Video title; the animated series is YouTube only.
Is Tales from Eternia a prequel to the movie?
It was announced as a prequel, but by launch it was being described as a companion series of standalone Eternia stories rather than a strict narrative lead-in to the film. Treat the prequel framing as marketing.
Has it finished?
Not yet. As of late July 2026 the series is mid-run, with roughly six or seven of the twenty episodes released.
Is this the same as the character shorts?
No. Separate animated character spotlight shorts, in which Skeletor introduces and disparages the cast, also appear on the Mattel Adventures channel and began rolling out around the film’s June 5 opening. They are distinct from the twenty Tales from Eternia episodes.
Sources
Written and edited by the heman.org news desk. AI-assisted, human-edited: see how we work.