Lagaffe mérite des baffes, written and drawn by Franquin, is the thirteenth album of the original Gaston Lagaffe series.

It is made up of 46 strips previously published in Spirou.

In this album, a struggle between Longtarin and Lagaffe begins.

This theme will also be the occasion of most of the gags in the next album.

Prunelle announces that any #5 album will never be published.