[2] The series follows young Xavier Riddle, his sister Yadina, their friend Brad, and their robotic companion Berby, who visit the Secret Museum to meet historical figures portrayed as children.

Each episode introduces a historical hero, such as Rosa Parks or Leonardo da Vinci, who inspires the characters to overcome their own challenges.

The show aims to teach young viewers important values such as courage, kindness, and perseverance through engaging storytelling and real-world role models.

9 Story's Chief Creative Officer Angela Santomero states that Xavier Riddle lets kids know they have "the curiosity and adventurous spirit to change the world".

Joyce Slaton of Common Sense Media gave Xavier Riddle and the Secret Museum a mixed review.

is an unlikely motto for Amelia Earhart, who disappeared in 1937 and didn't complete her solo Atlantic flight as a grade school student, as Xavier depicts."