Chuckie's dad Chas starts dating again, and it's Chuckie's wish to find a new mom. When Stu Pickles is summoned to Reptarland, an amazing new amusement park in Paris, to work on his Reptar invention, Tommy, Chuckie, Angelica, Lil, Phil, Baby Dil, Didi and the whole gang tag along to the city of romance. The adventure turns out to be more than glamour, fashion and smelly cheese. Chuckie learns that when it comes to princesses and potential mommies, things are not always what they seem, and for Chas, finding the right woman can be difficult in any language. The world's favorite babies learn new lessons about courage, loyalty, trust and, above all, true love.