Blooper

When Steven Surrier leaves a 5 US dollar tasting fee at the winery under the ashtray, the owner of the winery picks it up and holds a different bill.

In the scene where Gustavo pours some of his red wine into a water glass and tells Bo, several times, "try it", the level of wine in the glass is constantly changing, from nearly full to only a sip, even before Bo drinks any of the wine.

At the end where Steven and Maurice are at Steve's wine academy store, they toast their wine glasses. Steve uses his right hand to Maurice using his left hand. When the camera angle changes (reverse shot), pointing outside the front glass display window to looking inside them, Maurice's hand changed to his right hand holding the wine glass.

When Sam lifts up her shirt to flash the cop, the camera shots switch several time between the front & the back, the behind shots show her elbows lifted/arms holding up her shirt, yet the camera shots from the front show her arms down.

When Sam, Gustavo and Bo are encountering the big truck driver, Sam's off the shoulder top changes position from shot to shot.

(at around 1 min) One of the characters mentions that if the French lose, they might bring back the Guillotine. In actual fact, it was still in use in 1976, as it was the standard method of Execution in France. (The last Execution was in 1977, and the Death Penalty itself was abolished in 1981.)

When the Napa wine makers all scramble to meet Stephen Spurrier with their bottles of wine, one person is clearly offering a prop bottle of "Canadian Club" whiskey as if it were a wine.

A US Postal carrier delivers a Western Union telegram. The USPS only delivers US mail or mail originating from other countries. They have never delivered telegrams.

Sam says she drove all the way from Fairfield on three tires. This would not be possible. After driving that far on a flat tire there would be nothing left of it by the time she reached Napa.

In one of the intertitle cards at the end, the Smithsonian Institution is referred to as the "Smithsonian Institute".

When Spurrier leaves the tasting fee under the ashtray and the owner picks it up, it is a new style bill with the large numbers which were not in use until the nineties.

The keyboard shown at the airline counter is a PC-style keyboard from the 1990s.

As Spurrier (Alan Rickman) is tasting wines in the bar in California, we see half of a Benziger Cabernet label - a yellow label on a bottle with a red foil wrapping on the neck. You can clearly see the last three letters of "Benziger", a vineyard that wasn't founded until 1980.

In one scene, a CA license plate of the form "1 ABC 123" is shown, while such license plates weren't issued until 1980. In 1976, CA license plates had the form "123 ABC"

Before the blind wine tasting, several cars of the make Citroen 2 CV are shown, among them the red-and-black "Charleston" edition which was not produced before the year 1981.

While Bo and Sam are kissing before Bo leaves for France, she's holding his face while two wisps of hair droop down on his right side. When the camera films to show her face, all his hair is pushed back by her hands.

When Steven Spurrier is at the ticket counter, and states to the ticket agent he wishes to fly on flight 349 in English, the German man states "ZWEI vier neun" or TWO four nine.