During the end credits of the first film, Smurf Village was being rebuilt in the image of New York, however in this film, the entire village is shown in its original state.
In Gargamel's first magic show in Paris, he levitates a volunteer who is facing away from Gargamel, but in the next shot the volunteer is now facing towards Gargamel.
As Smurfette and the Naughties are riding through Paris on a cart, Gargamel and Azrael are seen riding in a carriage, slightly far behind them. After an argument between the two, Gargamel throws Azrael out of the carriage while still behind the Naughties. Then afterwards, Smurfette and the Naughties' cart ride comes to an end, a big distance away from where Azrael was thrown out. However a few seconds later, Azrael is seen standing right before them in the opposite direction of where he was dumped on the street. There is no explanation how Azrael got that far.
The type of highly refined Peanut Oil used for frying does not cause allergic reactions. The protein that causes the reaction is removed by the refinement process.
The song "Help Me, Rhonda" is misspelled as "Help Me, Ronda" in the music credits.
As Patrick and Papa Smurf leave to rescue Smurfette, Grace dials the phone to call Patrick's stepfather and begins saying, "Hello, Victor..." as the end of the first ring can still be heard.
When the taxi arrives in Paris, it is shown to be a Mercedes taxi with yellow signals on the front bumper. This model with yellow signals on the bar is found only in the United States of America.