Everyone's scooters are mysteriously breaking in Botsburg! The Squad tries to uncover the cause and launches a clinic to fix them using math and engineering skills. Back home, Jackie tests her new fixing skills on a broken family heirloom.
To please his pet smirble, BB, Hacker transforms a park into a highly manicured space, but BB doesn't like it at all! To find out why, the kids time travel to collect and analyze data and help restore the park's biodiversity.