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But the Red Eye didn't report the presence of any Gems on this planet!

Peridot, "Marble Madness"

Red Eyes are meteor-like devices created by Homeworld to detect the presence of Gems in certain areas. One was sent to Earth and monitored by Peridot in "Laser Light Cannon" to see if any Gems lived on the planet, but was destroyed by the Crystal Gems. In "Gem Heist", a Red Eye is seen hovering outside of Pink Diamond's Zoo.


Red Eyes, as their name entails, are massive, red-orange, eye-like devices. As such, they are spherical in shape. A Red Eye has a light orange hexagonal iris with a red-orange, aperture-like "pupil" of the same shape. Its body (or sclera) is orange and is covered by a cream colored segmented covering (or eyelid) that can close and open to protect the eye. It seems to have the same triangular patterns that are shown on the floor of the Gem Warship, meaning that it belongs to the Gem Homeworld. This is confirmed when Peridot states that its purpose was to scout out other Gems on Earth. It seems to be constantly emitting light, or in some cases glowing.


By using some anti-gravity drive, a Red Eye can defy the gravitational pull of other objects, allowing it to freely levitate. Its casing is exceptionally durable, as seen when a Red Eye withstood multiple attacks from Amethyst and Garnet without taking any damage, only taking major damage from Rose Quartz's Laser Light Cannon. The aperture-like pupil/iris can open up and create a powerful gravity anomaly, capable of attracting nearby objects of significant mass.

The Red Eye can also detect the presence of Gems and relay that information to other Gems, which appears to be the Red Eye's main, or even only, purpose.


"Laser Light Cannon"

A Red Eye threatens Beach City with its potential of colliding with the Earth, which would likely kill all of Beach City's residents. Garnet, Amethyst, and Pearl try multiple times to stop it by throwing Amethyst at it, but find no success in doing so. It is implied that it cannot be destroyed without Rose Quartz's Laser Light Cannon, which Steven finds. He and the Gems use it to destroy the Red Eye, causing it to explode violently.

"Keep Beach City Weird"

Fragments of the Red Eye are seen on the boardwalk.

"Marble Madness"

Peridot reveals that the Red Eye was a scout sent to Earth, presumably to ascertain as to whether or not there were Gems present on the planet. Having not received a positive report of Gem presence from the Red Eye, Peridot is shocked to discover the Crystal Gems on Earth and that she was acting on null data.

"Gem Heist"

A Red Eye is seen next to Pink Diamond's Zoo, possibly to notify Holly Blue of other Gems approaching the facility.


  • The Red Eye functions very similarly to the moon from The Legend of Zelda: Majora's Mask, where the moon is crashing down to the planet, and there is a limited time to stop it.
  • The Red Eye is similar to Ramiel or Leliel, Angels from Neon Genesis Evangelion. It is spherical like Leliel and geometric like Ramiel, and shares both Angels' trait of being a large, slowly-floating object.
    • It also resembles the angel Sahaquiel, both of them resembling giant eyes that are falling towards Earth.
  • Ian Jones-Quartey, creative director of the show, stated on his blog that the Red Eye is not a Gem.[1]
  • In "Laser Light Cannon", the Crystal Gems were able to identify the Red Eye without knowledge of Homeworld's technological advancements after the Rebellion, implying that Red Eyes are Era 1 devices, or at least have existed in some form since then.


Click to view the gallery for Red Eye.



Centipeetle.png Cloud Connie The Warrior of The Wedding redo.png Holo Connie.png Shadow Connie.png Crab baby monster.png Csd.png Drill Parasite Open.png Electric Skull.png Evil Spirit Scroll Png.png Frybo Monster.png Red Eye transparent.png RingoPng.png Rstd.png Cactus Steven (Grown).png

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