Milo Murphy's Law season 1 episode 20

Air Date: 2017-03-21

Duration: 12 min

Genre: Comedy   Animation   Family

The Math Book

Milo, Zack and Melissa go to school after sunset to retrieve Melissa's math book. Unfortunately, she leaves the spare key inside the locked classroom, so the three go on a "quest" in search of the mysterious janitor, otherwise known as the "key-keeper".