These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
The entire sequence when Godefroy tries buying the hotel from Jacquard and sings a song about how he will brutally murder him if he refuses. One can only imagine the look on his face had he been there to hear it.
The Humiliation Conga involving Jacquard and the Bernay brothers. It starts with President Bernay suffering from cold water in the shower, and ends with him having food thrown all over his face.
Hilarious in Hindsight: Valérie's husband, the prissy, useless dentist? Fast-forward a few years, and the same actor is now the swordsmaster, one of the very rare competent warriors in the court of Kaamelott.
Memetic Mutation: The film had several memorable quotes, some of them still used today.