Defenders of the Earth
Defenders of the Earth is an American animated television series produced in 1986, featuring characters from three comic strips distributed by King Features Syndicate—Flash Gordon, The Phantom, and Mandrake the Magician—opposing Ming the Merciless in the year 2015. Supporting characters include their children Rick Gordon, Jedda Walker, Kshin, Mandrake's assistant Lothar, and Lothar's son L.J. The show lasted for 65 episodes; there was also a short-lived comic book series published by Star Comics, created by Gerry Conway, Ross Andru and John Romita, Sr.. The closing credits credit Rob Walsh and Tony Pastor for the main title music, and Stan Lee for the lyrics. The series was later shown in reruns on the Sci Fi Channel as part of Sci Fi Cartoon Quest.
Where to watch Defenders of the Earth in United States
Amazon Prime Video
Amazon Prime Video with Ads
Hoopla
Plex
Amazon Prime Video Free with Ads
Tubi TV
Amazon VideoClick a service to open Defenders of the Earth there. Availability last verified on June 20, 2026.
Where is Defenders of the Earth streaming around the world?
| Country | Streaming on | Rent / Buy |
|---|---|---|
| United States | Amazon Prime Video, Amazon Prime Video with Ads, Hoopla, Plex | Amazon Video |
| India | Plex | — |
| United Kingdom | Plex | — |
| Canada | Hoopla, Plex | — |
| Australia | Hoopla, Plex | — |
| Germany | Plex, Pluto TV | — |
| France | Plex | — |
| Spain | Plex | — |
| Brazil | Amazon Prime Video, Amazon Prime Video with Ads, Plex | — |
| Japan | Plex | — |
About Defenders of the Earth
Defenders of the Earth is a 1986 English-language animation and action & adventure series created by Lee Falk. The cast is led by Lou Richards, Peter Mark Richman, Peter Renaday. It spans 1 season and 65 episodes and has concluded. Viewers rate it 7.6/10 across 100 ratings. In United States, it is currently streaming on Amazon Prime Video, Amazon Prime Video with Ads, Hoopla.
Defenders of the Earth was produced by Marvel Productions and King Features Syndicate. It was first aired on September 8, 1986, and carries a U certification.
- Created by
- Lee Falk
- First aired
- September 8, 1986
- Last aired
- December 5, 1986
- Original language
- English
- Age rating
- U
- Status
- Ended
- Seasons
- 1 (65 episodes)
- Network
- Syndication
- Production
- Marvel Productions, King Features Syndicate
Defenders of the Earth cast & crew
Defenders of the Earth was created by Lee Falk.
The cast features Lou Richards as Flash Gordon (voice), Peter Mark Richman as The Phantom / Kit Walker / 26th Phantom (voice), Peter Renaday as Mandrake the Magician (voice), Buster Jones as Lothar (voice), Ron Feinberg as Ming the Merciless/Warlock (voice), and Loren Lester as Rick Gordon / Young Kurt (voice).
Is Defenders of the Earth worth watching?
Defenders of the Earth holds an audience score of 7.6/10 from 95 ratings, marking it as well-reviewed animation series.
With 1 season and 65 episodes, it's a long-haul binge.
If you enjoy animation and action & adventure, Defenders of the Earth is worth a place on your watchlist.
How and where to watch Defenders of the Earth
In United States, you can stream Defenders of the Earth on Amazon Prime Video, Amazon Prime Video with Ads, Hoopla, Plex, and Amazon Prime Video Free with Ads, or rent and buy it on Amazon Video. Click any service above to open it directly.
Streaming rights change country by country and month by month, so the options above reflect United States today — switch your country at the top of the where-to-watch section to see availability elsewhere.
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Cast of Defenders of the Earth
Lou Richards
Flash Gordon (voice)
Peter Mark Richman
The Phantom / Kit Walker / 26th Phantom (voice)
Peter Renaday
Mandrake the Magician (voice)
Buster Jones
Lothar (voice)
Ron Feinberg
Ming the Merciless/Warlock (voice)
Loren Lester
Rick Gordon / Young Kurt (voice)
Sarah Partridge
Jedda Walker (voice)
Dion Williams
L.J. (voice)
Adam Carl
Kshin / Young Kit (voice)
Diane Pershing
Dynak X / Dale Arden (voice)
William Callaway
Octon / Garax (voice)
Hal Rayle
Prince Kro-Tan (voice)
Defenders of the Earth — FAQs
▸Where can I watch Defenders of the Earth in United States?
Defenders of the Earth is streaming on Amazon Prime Video, Amazon Prime Video with Ads, Hoopla, Plex in United States.
▸Is Defenders of the Earth on Amazon Prime Video?
Yes — Defenders of the Earth is currently available on Amazon Prime Video in United States.
▸What language is Defenders of the Earth in?
Defenders of the Earth is originally in English. Subtitle and dub options vary by streaming service.
▸How many seasons of Defenders of the Earth are there?
Defenders of the Earth has 1 season with 65 episodes in total.
▸What is Defenders of the Earth rated?
Defenders of the Earth is rated U. It holds a 7.6/10 audience score from 95 ratings.
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