As of July 2026, Legion of Super-Heroes is a Animation film from 2023 rated 6/10 — streaming now on StackTV Amazon Channel. Find out where to watch it below.
Legion of Super-Heroes poster

Legion of Super-Heroes

2023 84 min Animation · Science Fiction · Action ⭐ 6/10 M Dir. Jeff WamesterWriter: Josie Campbell US Production

If you want science fiction that respects its own premise, Legion of Super-Heroes is available on StackTV Amazon Channel right now. It knows exactly what kind of film it is from the opening scene, and never loses that thread. Its 6/10 TMDB score, built from 223 ratings, reflects a title that consistently delivers. Watch it for Meg Donnelly — the performance elevates material that could easily tip into self-seriousness. There is no real reason to keep putting it off — it is right there on StackTV Amazon Channel.

There is a reason Legion of Super-Heroes keeps coming up in conversation. The world-building is meticulous, but it is the characters who carry Legion of Super-Heroes through its more ambitious moments. Kara, devastated by the loss of Krypton, struggles to adjust to her new life on Earth. Her cousin, Superman, mentors her and suggests she leave their space-time to attend the Legion Academy in the 31st century, where she makes new friends and a new enemy: Brainiac 5. Meanwhile, she must contend with a mysterious group called the Dark Circle as it searches for a powerful weapon held in the Academy’s vault. Meg Donnelly and Harry Shum Jr. Lead a cast that brings real weight to the material. It was released in 2023. What separates Legion of Super-Heroes from lesser genre entertainment is a willingness to let the concept cost the characters something. There is real craft here, even in the moments that do not fully land.

Viewers burned by ambitious sci-fi that could not sustain its premise should give Legion of Super-Heroes a chance. It stands on its own even without an obvious comparison point. The complete film is available and best experienced without too much prior knowledge of where it goes. Meg Donnelly grounds the bigger ideas in something human. Once you are in, you will want to talk about it.

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📡 Where to Watch Legion of Super-Heroes

Canada
StackTV Amazon ChannelStackTV Amazon Channel

🎭 Cast of Legion of Super-Heroes

Meg Donnelly
Meg Donnelly
Supergirl / Kara (voice)
Harry Shum Jr.
Harry Shum Jr.
Brainiac 5 (voice)
Jensen Ackles
Jensen Ackles
Batman (voice)
Gideon Adlon
Gideon Adlon
Phantom Girl (voice)
Matt Bomer
Matt Bomer
The Flash (voice)
Darren Criss
Darren Criss
Superman (voice)
Robbie Daymond
Robbie Daymond
TimberWolf / Brainiac 4 (voice)
Darin De Paul
Darin De Paul
Brainiac / Solomon Grundy (voice)
Ben Diskin
Ben Diskin
Arms Fall Off Boy / Brainiac 2 (voice)
Victoria Grace
Victoria Grace
Shadow Lass (voice)

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