[s4e1] A Royal Pain 🆕 Recommended

If you were referring to a different series, "A Royal Pain" also appeared as:

As is standard for the series, the girls use STEM skills to solve problems. In this episode, they focus on gadgets and scientific reasoning to outmaneuver potential threats while navigating the social complexities of royal protocol. [S4E1] A Royal Pain

The girls must protect a visiting Royal— Princess Lucinda —during her stay, which turns out to be more difficult than expected as she is "a royal pain" to manage. If you were referring to a different series,