• Home
  • Movies
  • TV Shows
  • Anime
  • Live Sports
  • Home
  • Movies
  • TV Shows
  • Anime
  • Live Sports
Account

© 2026 Streamheaven. All rights reserved.

DMCA
Ultraseven
Loading…UltrasevenSeason 1 · Episode 7 — Alien Prisoner 303
Previous

Season 1 · Episode 7S1 · E7Alien Prisoner 303

Next episode
Download

Video not loading? Try another server.

Episodes

49 in Season 1

  1. 1The Invisible Challenger25 min · 1967
  2. 2The Green Terror25 min · 1967
  3. 3The Secret of the Lake25 min · 1967
  4. 4Respond, Max25 min · 1967
  5. 5The Erased Time25 min · 1967
  6. 6Dark Zone25 min · 1967
  7. 7Alien Prisoner 303Now playing
  8. 8The Targeted Town25 min · 1967
  9. 9Android Zero Directive25 min · 1967
  10. 10The Suspicious Neighbor25 min · 1967
  11. 11Fly to the Mountain of Evil25 min · 1967
  12. 12From Another Planet with Love25 min · 1967
  13. 13The Man Who Came From V325 min · 1967
  14. 14The Ultra Garrison Goes West, Part 125 min · 1967
  15. 15The Ultra Garrison Goes West, Part 225 min · 1968
  16. 16The Eye That Shines in the Darkness25 min · 1968
  17. 17Underground Go! Go! Go!25 min · 1968
  18. 18Escape Space X25 min · 1968
  19. 19Project Blue25 min · 1968
  20. 20Destroy Earthquake Epicenter X25 min · 1968
  21. 21Pursue the Sea Bottom Base25 min · 1968
  22. 22The Human Farm25 min · 1968
  23. 23Search for Tomorrow25 min · 1968
  24. 24Return to the North!25 min · 1968
  25. 25Showdown at 140 Degrees Below Zero25 min · 1968
  26. 26Super Weapon R-125 min · 1968
  27. 27Operation Cyborg25 min · 1968
  28. 28The 700 Kilometer Run!25 min · 1968
  29. 29The Forsaken Earthman25 min · 1968
  30. 30For Whom Takes the Glory25 min · 1968
  31. 31The Devil Who Dwells in a Flower25 min · 1968
  32. 32The Wandering Planet25 min · 1968
  33. 33The Dead Invaders25 min · 1968
  34. 34The Vanishing City25 min · 1968
  35. 35Horror on the Moon25 min · 1968
  36. 36The 0.1 Second Kill25 min · 1968
  37. 37The Stolen Ultra Eye25 min · 1968
  38. 38The Courageous Battle25 min · 1968
  39. 39The Seven Assassination Plan Part 125 min · 1968
  40. 40The Seven Assassination Plan Part 225 min · 1968
  41. 41The Challenge from the Water25 min · 1968
  42. 42Ambassador of the Nonmalt25 min · 1968
  43. 43Nightmare on Planet 425 min · 1968
  44. 44The Terrifying Super-Simian25 min · 1968
  45. 45The Boy Who Cried Flying Saucer25 min · 1968
  46. 46The Duel: Dan vs. Seven25 min · 1968
  47. 47Who are You?25 min · 1968
  48. 48The Greatest Invasion in History Part 125 min · 1968
  49. 49The Greatest Invasion in History Part 225 min · 1968
S1 · E7Ultraseven

Alien Prisoner 303

7.9Action & Adventure, Sci-Fi & Fantasy196725 min

Aboard Space Station V3, agent Mizuno receives multiple transmissions from an alien source, but has been unable to decipher them. Meanwhile, two hunters find a small, single passenger alien spacecraft in the woods and are attacked by the fish-eyed, gas drinking alien traveling inside.

Up nextThe Targeted TownS1 · E8 · 25 min

More like this

8.1

Ultraman Ace

1972

7.5

Hyakujuu Sentai Gaoranger

2001

8.0

Dragon Quest: The Adventure of Dai

2020

8.4

Naruto

2002

8.1

BNA

2020

8.4

Dragon Ball Z

1989

6.7

Mutant X

2001

7.2

Metallic Rouge

2024

7.1

Blood Blockade Battlefront

2015

8.0

Mazinger Z

1972

7.1

The Heroic Legend of Arslan

2015

7.1

Birdy the Mighty: Decode

2008

8.0

The Legend of the Legendary Heroes

2010

7.3

Supergirl

2015

7.6

Sliders

1995

8.1

Monster Rancher

1999

9.7

Dragon Ball Super: Beerus

2026

7.3

Marvel's Runaways

2017

7.6

HEROMAN

2010

8.4

Final Space

2018