Isabella throws a surprise 90s-themed 40th birthday party for Dennis on Good Trouble. "Something Unpredictable, But In The End It's Right" is the sixth episode of the show's fourth season.
Davia: Isabella was right. She's his person now. Gael: Whoa, why are you saying that? Davia: I feel like I don't even know him anymore. Gael: Maybe some of that is on you? If you don't want to keep him at arm's length, why aren't you telling him about you and Matt.