Nicolas has a happy existence, parents who love him, a great group of friends with whom he has great fun, and all he wants is that nothing changes. However, one day, he overhears a conversation that leads him to believe that his life might change forever, his mother is pregnant! He panics and envisions the worst.
| Writing | Jean-Jacques Sempé | Original Story |
| Editing | Valérie Deseine | Editor |
| Writing | Grégoire Vigneron | Screenplay |
| Writing | René Goscinny | Original Story |
| Directing | Laurent Tirard | Director |
| Writing | Laurent Tirard | Screenplay |
| Sound | Klaus Badelt | Original Music Composer |
| Writing | Alain Chabat | Screenplay |
| Art | Françoise Dupertuis | Production Design |
