How the Cossacks Met Aliens Template

How the Cossacks Met Aliens (1987) — In this series, the Cossacks meet aliens who are caricatures of themselves (Gray, Oko, and Tour). The aliens need lubricant to return to their home planet. The Cossacks, together with the aliens, travel across Europe in search of lubricant for their UFO, defend Bulgaria from enemies, invent a water supply system in Rome, and almost end up at the stake of the Inquisition in Spain. However, it turns out that the Cossacks had the coveted lubricant on hand all this time…