George! (1972)

After a St. Bernard named George is given to a relative by its owner, he causes mischief in the neighboring town and for his new owner. After enough terror while trying to get a girl, the new owner gives George to a monastery in the cold snowy mountain wasteland, until its original owner comes back to get him. However, during the night George escapes and finds himself trapped among the frozen wasteland. The only way for the new owner to get the girl and save George is to realize how important George truly is.