When Nia and Booker throw an epic 13th birthday party with no moms or kids allowed, they’re forced to tell Raven and Levi they can’t attend.
- Raven-Symoné as Raven Baxter
- Navia Robinson as Nia Baxter
- Issac Brown as Booker Baxter
- Jason Maybaum as Levi Grayson
- Sky Katz as Tess O'Malley
- Jason Rogel as Sebastian
- Donovan Whitfield as Curtis
- Nathan Blaiwes as The Guntz
- Jenna Davis as Sienna
- Laya DeLeon Hayes as Zeena Kamakamee'leon
- Jason Sweat as Fireman Alexandre
- This episode filmed on June 29, 2018.
- The title is a play on the 1963 song "It's My Party (and I'll Cry If I Want To)" by Lesley Gore.
- Chelsea is still on her cruise, and has missed 8 episodes during the season.
- Booker and Nia are the oldest ones in their circle of friends.
- Although this episode airs in November, production-wise, the twins' birthday is meant to be in late October (before Halloween).
- It is shown that Raven and her kids have been at 352 Hauser Avenue for at least nine years.
- Nia is shown letting go of the past, and befriending Zeena (to even Zeena's surprise).
- Zeena admits to liking Booker.
- Both Curtis and The Guntz admit to liking Nia.
- Although not stated, it is presumably Devon that shot the video footage from Booker and Nia's fourth birthday party depicted at the end.
| The image gallery for It's Your Party and I'll Spy If I Want To may be viewed here.