S01E01 Terra Incognita, Part 1
When their planet's monarchy is overthrown by a coup, royal alien teens Aja and Krel flee to Earth accompanied by their brutish bodyguard.
3Below: Tales of Arcadia
S01E10: The Arcadian Job
In a daring heist, the royals and Stuart infiltrate a high-security military base in hopes of stealing the final part to power the mothership.
Overview
After crash-landing on Earth, two royal teen aliens on the run struggle to blend in with humans as they evade intergalactic bounty hunters.
Episodes
S01E02 Terra Incognita, Part 2
After crash-landing in the town of Arcadia, the royals -- now disguised as humans -- search for suitable technology to power their ship.
S01E03 Mind Over Matter
Krel builds a mind-reading device in hopes of blending in with humans. Elsewhere, General Morando dispatches bounty hunters to track down the royals.
S01E04 Beetle Mania
Royal super-fan Stuart offers to help eradicate an alien beetle infestation before it exposes the siblings' true identities.
S01E05 Collision Course
The royals take a driver’s ed class, hoping to find parts for their ship. Instead, they're led on a high-speed chase with the Zeron Brotherhood!
S01E06 D'aja Vu
A giant troll wreaks havoc at the school science fair, threatening to expose both the troll world -- and the royals’ true identities.
S01E07 Flying the Coop
Aja and Krel are summoned by the school board to produce proper identification. Zadra discovers the identity of the traitor who aided the coup.
S01E08 Party Crashers
An incoming message from Akiridion-5 alarms Vex. Meanwhile, the arrival of bounty hunters ruins the royals' outing in the woods with friends.
S01E09 Lightning in a Bottle
The royal heirs look for Aja's missing serrator in the forest, where they mistake Trollhunter Jim Lake's Amulet of Daylight for her lost weapon.
S01E10 The Arcadian Job
In a daring heist, the royals and Stuart infiltrate a high-security military base in hopes of stealing the final part to power the mothership.
S01E11 Truth Be Told
Aja decides to tell Steve she’s actually an alien, but her confession is cut short by a visit from the Zeron Brotherhood.
S01E12 Last Night on Earth
The royals celebrate their last day of school -- and on Earth -- with friends, but Zadra's arrival with revelations of betrayal shakes them to the core.
S01E13 Bad Omen
Alpha unleashes a barrage of attacks on the siblings, enabling Omen to hijack the ship and take the royal cores. Will this be the end of House Tarron?
Cast
Tatiana Maslany
Aja (voice)
Frank Welker
Luug (voice)
Cheryl Hines
Momblank (voice)
Glenn Close
Mother (voice)
Diego Luna
Krel (voice)
Nick Offerman
Varvatos Vex (voice)
Nick Frost
Stuart (voice)
Cole Sand
Eli
Steven Yeun
Steve
