Chris and Kyle wake up to find their toilet seat broken. Their adventure to buy a new toilet seat and save the world begins.

The quest for the Final Benza continues. Chris and Kyle receive a mysterious key and make a new friend while looking for information.

Chris and Kyle learn more about the mysterious Final Benza from Alena and run into their teacher Inko Sensei.

Chris and Kyle's hunt for the Final Benza continues as they break into Noguchi's apartment with Alena after receiving an ominous warning from Tamura.

Chris and Kyle head to the location of the next map shard with Alena and Inko Sensei and find it more difficult than they thought to get.

Chris and Kyle learn the secret of the Final Benza and the truth behind Inko Sensei's plan.

A Japan Amazon Prime-only mini-episode from 2020. The story behind the casting of Stephanie and the production announcement of Series 2.

With Chris and Kyle missing, David and Stephanie retrace their steps and try to find out what happened the day before.

Kyle finds himself in a dangerous new land surrounded by strangers with familiar faces.

Chris and Kyle learn more about Ben and from their respective capturers. Alena leads a dangerous rescue mission.

With time running out, Chris needs to make a decision about what he and his friends will do. Kyle begins to suspect not all is as it seems in Ben.

It is the war of the worlds as the people of Ben clash with the people of Higashi Nakano.

With the war concluded, one question remains unanswered. Tamura tries to get to the bottom of the final mystery.