Reptilicus
When the accidentally thawed tail of a huge prehistoric monster is discovered, the process of regeneration begins growing into a full-sized monster...which attacks the city.
Starring Bent Mejding, Asbjørn Andersen, Povl Wøldike, Ann Smyrner, Mimi Heinrich, Dirch Passer, Marlies Behrens, Carl Ottosen, Ole Wisborg, Birthe Wilke
It's a action & adventure and science-fiction movie, and has a rating of 3.6 out of 10 from Imdb which is fairly low for this kind of movie.
Watch it here
Not found streaming from Canada.