Should Not!...

Newly engaged, Thomas meets his future father-in-law Gilbert, who has been married for 30 years to Suzanne. Disillusioned Gilbert is convinced that his marriage has meant he's missed out on life. He persuades Thomas not to marry his daughter Lola and encourages him to drop everything else in his life as well. The two men then throw themselves into a new brats' life full of adventure, convinced that freedom is elsewhere. But at what cost do we rediscover our adolescent dreams?

Henri is a middle-aged writer with fading inspiration who has published nothing worthy of note in years. Feeling increasingly misunderstood by his wife and four grown up deadbeat kids, he dreams of running away to start over again. Yet when he discovers an unattractive, bad-mannered dog in his garden, he decides to adopt him and both start developing an unexpected friendship that inevitably upsets Henri’s family and neighbors.

Father-to-be Alan is shocked to learn that he was born a sextuplet. With his newfound brother Russell riding shotgun, the duo sets out on a hilarious journey to reunite with their remaining long-lost siblings.

In 35,000 BC, the tribe of the Dirty Hairs is at war against the tribe of the Clean Hairs for eight hundred years, trying to get their shampoo. The chief of the Dirty Hairs sends his daughter Guy disguised to the enemy tribe to get some shampoo for his tribe. When the healer of the Clean Hairs tribe surprisingly kills two cavemen of his tribe, their imbecile chief assigns Pierre with curled hair and Pierre blonde to investigate the murder and find the criminal.