Francis Ford Coppola is the last director you expect to see on this list, but The Godfather and Godfather 2 served as cinematic bibles, and the bar was unbelievably high.
The third film, weighed heavily down by Francis' daughter Sophia's acting, was ponderous and lacked the grace of the first two films.
While definitely a watchable film with some great moments, this one isn't memorable enough to merit being part of, well, the family.
Also read: Hollywood's blockbuster trilogies