“ An alien “policeman” arrives on Earth to apprehend a renegade of his own race who impregnates a woman with a potentially destructive mutant embryo.”
https://m.imdb.com/title/tt0101264/?ref_=ext_shr_lnk
Free w/ ads https://link.tubi.tv/RUpSzsOZnEb
There is a Rifftrax version that makes watching it bearable.