1979 French film
The Gendarme and the Extra-Terrestrials (French: Le Gendarme et Les Extraterrestres) is a continuation of the Gendarme series starring Louis de Funès as Ludovic Cruchot. It is also known as The Gendarme and the Creatures from Outer Space and is followed by Le Gendarme et les Gendarmettes, the final film in the series.
Plot summary adapted from Wikipedia, licensed under CC BY-SA 4.0.