When their planet's monarchy is overthrown by a coup, royal alien teens Aja and Krel flee to Earth a...

After crash-landing in the town of Arcadia, the royals -- now disguised as humans -- search for suit...

Krel builds a mind-reading device in hopes of blending in with humans. Elsewhere, General Morando di...

Royal super-fan Stuart offers to help eradicate an alien beetle infestation before it exposes the si...

The royals take a driver’s ed class, hoping to find parts for their ship. Instead, they're led on a...

A giant troll wreaks havoc at the school science fair, threatening to expose both the troll world --...

Aja and Krel are summoned by the school board to produce proper identification. Zadra discovers the...

An incoming message from Akiridion-5 alarms Vex. Meanwhile, the arrival of bounty hunters ruins the...

The royal heirs look for Aja's missing serrator in the forest, where they mistake Trollhunter Jim La...

In a daring heist, the royals and Stuart infiltrate a high-security military base in hopes of steali...

Aja decides to tell Steve she’s actually an alien, but her confession is cut short by a visit from t...

The royals celebrate their last day of school -- and on Earth -- with friends, but Zadra's arrival w...

Alpha unleashes a barrage of attacks on the siblings, enabling Omen to hijack the ship and take the...

Left vulnerable after Omen's attack, the royal heirs look to conceal their damaged ship but are soon...

Aja and Krel enlist Stuart to help find their former ally, who’s being held prisoner at a bounty hun...

With General Morando's invasion of Earth imminent, Krel tries to stop the fleet's advance with unwit...

Mother, the AI controlling the royals’ ship, reflects on keeping the peace between her quarreling fa...

Colonel Kubritz stages a phony quarantine of Arcadia High School in a ploy to capture the royals --...

Stuart gets an unexpected visit from his ex-girlfriend. Krel helps Toby and Eli produce a short film...

Unable to stop an asteroid hurtling toward Earth, Kubritz pleads with the royals to help destroy it...

Krel builds a prototype device that will create a wormhole back to Akiridion-5, but Luug swallows it...

The last defenders of House Tarron face off against General Morando and his army of Omen robots in a...

With General Morando searching for Gaylen's Core, Aja and Krel must travel into their parents' subco...

After learning the location of Gaylen’s Core, Toby calls Trollhunter Jim Lake, and Blinky advises th...

As the town of Arcadia gathers for the premiere of "Kleb or Alive," an army of Omens, led by an armo...

With the fate of the universe at stake, the royal heirs and their allies must gather their forces fo...