Girl Meets Sneak Attack: [s1e3]

Missy gets Lucas into detention to spend alone time with him. Riley and Maya intentionally get themselves into detention to protect their "alliance". When Missy asks Lucas to a movie and tells him to leave his "childish" friends behind, Lucas chooses his friends instead, inviting them all to come along and effectively shutting Missy down.

The episode's central message, voiced by Riley at the end, is that it’s okay to remain a kid and not rush into the complexities of "dating" or adult behavior. [S1E3] Girl Meets Sneak Attack

For more details, you can find the full script on the Girl Meets World Wiki or read critical takes on IGN and The Young Folks . Girl Meets Sneak Attack - IMDb Missy gets Lucas into detention to spend alone time with him