 
     
        Xavier Riddle, his sister Yadina, their friend Brad, and flying robot pal Berby use the Secret Museum to time-travel and meet kid versions of historical figures, helping them solve their own problems and emphasizing that even kids can change the world. The series is produced by 9 Story Media Group and builds on the ideas explored in the children's book written by Brad Meltzer and Chris Eliopoulous, "Ordinary People Change the World".
| Season | From | To | Episodes | 
|---|---|---|---|
| All Seasons | |||
| Specials | November 2019 | March 2020 | 2 | 
| Season 1 | November 2019 | January 2022 | 72 | 
| Season 2 | January 2024 | August 2025 | 45 | 
| Season 3 | 0 | ||
| Unassigned Episodes | 2 | 
| Season | From | To | Episodes | 
|---|---|---|---|
| All Seasons | |||
| Specials | 0 | ||
| Season 1 | November 2019 | October 2020 | 108 | 
| Season 3 | 0 | ||
| Unassigned Episodes | 67 | 
| Season | From | To | Episodes | 
|---|---|---|---|
| Season 1 | 0 | ||
| Unassigned Episodes | 121 | 
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