Ep 4. The Knights' Code

In "The Knights' Code," the fourth episode of season 1 of LEGO Nexo Knights: The Book of Monsters, the audience is introduced to a new character named Ava. She is the mother of Robin, the young tech genius who helps the knights in their battles against the Book of Monsters. Ava is no ordinary mom, however, as she is the chief of the knights' science division. She is working on a project to create a new type of robot to help the knights in their quest to defeat Jestro and his army of monsters.

Meanwhile, the knights are trying to recover a piece of the Book of Monsters that has fallen into the hands of a group of villagers. When they arrive in the town, they discover that the villagers have been infected by a spell that causes them to turn on each other. The knights must find a way to break the spell and retrieve the Book of Monsters piece.

As the knights work to break the spell, they come into conflict with Ava, whose robot project has gone rogue and is destroying the village. The knights must decide whether to follow their code and protect the villagers or help Ava stop her rogue creation. With the help of Robin, the knights eventually come up with a plan that allows them to do both.

In "The Knights' Code," the show explores themes of loyalty and responsibility as the knights navigate a difficult ethical situation. It also introduces a new character in Ava and sets up a storyline that will be continued throughout the rest of the season. Fans of the show will enjoy the exciting action, interesting characters, and clever humor that make LEGO Nexo Knights: The Book of Monsters such a hit with viewers of all ages.