When the cigar-shaped asteroid was first spotted passing through our solar system at above average speeds it quickly sparked speculation that Oumuamua might actually be some kind of alien probe. Then a Harvard professor published a paper giving those extraterrestrial theories a boost. Then Neil Degrasse Tyson weighed in.
So what do Giorgio A. Tsoukalos, David Childress, and the rest of the Ancient Aliens team have to say on the subject? For a group almost singularly focused on the belief that aliens guided alien civilizations and continue to monitor human activity today, they turned out to be surprisingly split on the subject.