The kids find the stolen puzzle box and try to hide it from the police. Erik returns home but is acting suspicious. Daniel finds a clue in the museum footage. After tough goodbyes, Max leaves for Spain.

Erik is taken to the police station, where Daniel tries to find the evidence against him. Max talks to his birth parents.The police arrive to search the house.

Anika starts to put the pieces together and tries to warn Sal that he could be in danger. But it might be too late as the boys have already gotten themselves into a sticky situation.

The Hunter kids put on a diamond exhibition to lure their nemesis out of hiding.

The kids find evidence that could prove Erik's innocence. But someone hacks into Sal's computer and erases the footage! And Max realizes there is something strange about how his birth parents tracked him down.

It's a day of discoveries for the gang – Jasmyn finds a new clue but gets caught red-handed. Oliver stumbles upon a secret in the Hunter House. And Sal and Anika get a surprise when they revisit Diane's house.

Anika is sent an unusual birthday present – a miniature pyramid wrapped inside a torn treasure map. Sal discovers they are tied to a long-lost Aztec treasure – and an ancient curse. A new mystery has begun!

The Hunters set off for a family vacation, but all is not as it seems when their directions lead them to an abandoned house in the forest. Things get even stranger when they hear noises in the attic…

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Diane shows up and takes the crown when Erik is forced to go to the police station. The children finally uncover the mole's true identity.

Tess and Jake desperately try to convince relatives that the mole has framed Erik, but Sal's evidence is needed to prove Erik's innocence and stop the thieves from escaping with the crown.

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The Hunters discover a secret room in the house. A clue sends Tess on the trail of a mysterious figure.

Max & Tess track the mysterious Rinus through Amsterdam and discover a cryptic notebook. Back at the Hunter house the other kids make a mess while trying to cheer themselves up.

The Hunters attempt a high stakes exchange to rescue their parents while working to outwit Aunt Hedwig and Uncle Eugene.

The kids begin to unravel the mystery around the missing red diamond. Max keeps a secret from his siblings.

The Hunter kids must band together to outwit one of their biggest opponents.

The Hunters make a huge breakthrough but also suffer a big setback as they get closer to their ultimate goal.

Evie's stepmom, Lucia, tries to take her back.The Hunters try to track down info on Lucia and visit Evie's old neighborhood, where they meet tech-loving, Jennie. She provides footage that gives them their next clue.

The kids think Lucia framed Erik and decide to frame her back by planting a vase in her house. But the plan goes awry and they must work to avoid getting caught.

Tess and Sal work on discovering the mole's identity. Daniel and Anika spy on Lucia; the hacker learns he has been tricked.

Everyone reunites in the forest and Oliver finally learns the truth about Dottie. The kids formulate a new plan to find the treasure and save the Hunter Museum.

Sal and Anika return to the Hunter House to work with Rex on the mystery. And Oliver and Jasmyn finally uncover the identity of their secret enemy!