Prom (Jannette and Her Voyage in Space)

"Prom" is the 40th and final episode to the second season of the animated series Jannette and Her Voyage in Space, and is the 75th episode overall. The episode premieres on Disney XD on March 17, 2025. The episode is directed by Mike Roth and with the story written by Xavier Mosley and Matt Selman.

The episode focuses on Jannette finally opening her true feelings to Luis, until he is back together with ex-girlfriend Leslie Harper (voiced by Chloë Grace Moretz).

Plot
Traveling back from a successful mission, Jannette rushes back to Earth to ask Luis to the prom, only to discover that he is back together with his ex-girlfriend, Leslie Harper, whom he broke up with after she was manipulative towards him. Heartbroken, Jannette is mourning over her failure to develop her future relationship with Luis. Max suggests she sabotage their relationship. With a few several attempts, she decides to get some knowledge about Leslie to help. After she has asked Luis about her, she asks if he could be her date to the prom if his relationship with Leslie doesn't work out, to which he rejects after catching on her plans of breaking them from finding her notebook of written down plans that fell out of her pants pocket. Luis forbids Jannette from ever speaking to him or ever socializing with him again.

Finding Jannette in tears, Max and Cam convince her to not give up hope and win Luis' heart. Arrive at the prom, Jannette intervenes and confesses her true affection towards him, but he calls her out after she tried to sabotage their relationship and wants her out of his life; to which Jannette accepts, before breaking down in tears. Not much later, Leslie corners Luis after demanding a kiss from him, which he wanted to do after the dance. Noticing this, Jannette saves him at the last minute by gut-punching her. Luis thanks Jannette, followed by Jannette kissing him on the mouth. She admits that she would be nothing if he weren't in her life and deeply cares about him, resulting in her winning him back and slowdancing together.