Les Bidasses s'en vont en guerre is a French comedy film directed by Claude Zidi and released in 1974.

It is the sequel of the director's first film Les Bidasses en folie.

Gérard, Jean, Phil and Jean-Guy are in the Army, but the Sergeant Bellec who train them do not leave them.

The four friends who prefer passing their time playing cards in prison, they remain making all kinds of pranks and are reprimanded, like when they are in charge of re-heating the pool of the Colonel.

One day, they find a way to escape and take refuge in a farm that the Army wants to requisition because it is located on one of its grounds.