Detective Pikachu is excited to invite someone over to his apartment, and then clarifies that he's "not that kind of Pokémon," which is a a crude innuendo, but one which will go over kids' heads.
Tim tries to impress with "Well, I'm actually pretty good at being alone at night." While Pikachu and Psyduck watch. Pikachu says "Oh, that did not land right at all..." Done for laughs.
During a monkey chase, Pikachu says "nudeness".
Violence & Gore
Mild
There's a few fight scenes with some punching and kicking involved or superpowers used.
Profanity
Mild
The word "hell" is used twice in the film.
Damn is used once in the movie and hell is used twice.
"Damn" is uttered once in the entire movie.
A character mutters "Oh sh-" before cutting himself off.
2 Religious Exclamations are used by Pikachu
Oh my God and Oh God are said once
Pikachu says GET ME THE HELL OUT OF HERE!
Pikachu uses "putz" once.
One partial and one incomplete sh**
This is the FIRST ever Pokémon movie to have cussing of any type, even if it's just minor.
Alcohol, Drugs & Smoking
Mild
One mild reference to doing drugs
Frightening & Intense Scenes
Mild
One jumpscare during an investigation scene
The aipoms in their crazed states and glowing purple eyes attack the two characters in the middle of the night.