Room for Ruby

"Room for Ruby" is the 20th episode of the fourth season of Steven Universe and the 123rd episode overall.

Synopsis
Steven's Gem family continues to grow.

Plot
Navy shows an uncanny interest on earth.

Characters

 * Steven
 * Garnet
 * Ruby (Navy)
 * Lapis Lazuli
 * Peridot
 * Pumpkin
 * Amethyst (mentioned)
 * Jasper (mentioned)
 * Ruby (Eyeball) (mentioned)
 * Ruby (Doc) (mentioned)
 * Ruby (Army) (mentioned)
 * Ruby (Leggy) (mentioned)

Objects

 * Roaming Eye

Locations

 * Beach City
 * Beach House
 * The Barn
 * Gem Homeworld (mentioned)

Instrumental Songs

 * TBA

Trivia

 * Lapis reveals that she likes to sleep, even though she doesn't need to, and Peridot reveals that Lapis snores.
 * As indicated by her "Welcome to the Party" balloon, Garnet saw at least one future where Navy stayed on Earth.

Cultural References

 * TBA

Continuity

 * Steven mentions the events of the episodes "Hit the Diamond" and "Back to the Moon".
 * Garnet recalls the events of "Bubbled" when Eyeball tried to stab Steven, revealing that Steven told her at some point.
 * Peridot tells Navy that she can't talk to the corn, a reference to when she tried to in "Gem Harvest".
 * Navy didn't know about rain, just like Peridot in "When it Rains"

Errors

 * Peridot sits in one of the chairs in the Roaming Eye ship, where behind her is a window. However, when the scene changes to a front view, the hatch door is shown behind Peridot.
 * When Steven and Peridot are looking for Lapis, the barn is shown from a far distance, but the Roaming Eye is missing, despite being seen earlier on from the same distance.
 * When Pumpkin licks Navy, its tounge is the wrong shade of orange.

Video
Room for Ruby