Hope springs from an unlikely source when Gunmar learns that Jim's friends are in the Darklands on a mission to bring him home. ...

On the hunt to free Jim the team finds that it may require the help of an old friend returned. Jim makes an alliance while in Gunmar's Prisons. ...

The heroes brace for Angor Rot's inevitable invasion and prepare for the fight of their lives. Jim locates the last Triumbric Stone. ...

A reluctant Jim joins forces with Strickler to keep Barbara alive. Gnome Chompsky returns from the Darklands with important news about Enrique. ...

Jim must surrender to Bular and unlock the Killahead Bridge to save kidnapped Blinky and promises Claire that he will get her brother back. ...

While Draal settles into his new digs, Jim volunteers to babysit so he can find out whether Claire's little brother, Enrique, is a Changeling. ...

Jim tries to get closer to Claire on a school field trip to the museum, only to learn that the museum's curator, Ms. Nomura, has an unsettling secret. ...

While Jim gets a crash course in troll history, big problems - and a bully - await him in the human world. What better time for his first mission? ...

Jim and Toby tour Heartstone Trollmarket, where Jim begins his training and the presence of the first human Trollhunter stirs up bitter resentment. ...

After learning the location of Gaylen's Core, Toby calls Trollhunter Jim Lake, and Blinky advises the royals to consult the Soothscryer. ...

The last defenders of House Tarron face off against General Morando and his army of Omen robots in an all-out battle for survival. ...

Stuart gets an unexpected visit from his ex-girlfriend. Krel helps Toby and Eli produce a short film, Kleb or Alive, for a local contest. ...