Ma vie en l'air (2005)
The lead sends his best friend to see it, so that he can be alone in the appartment for a date.
when lude came from cinema he says he watched kowboy version of seven samurai
The poster of the movie can be seen in Yann's bathroom.
To confirm if a girl likes him, Yann uses the "door test he once saw in a movie", without saying its title.
The Lead takes one of his girlfriends to see it at the movies