Breeding will tell, and Rin Tin Tin, Jr. shows the stuff that made his doggie daddy great when he aids border agent Regis Toomey in the capture of an elusive bandit known as El Zorro. "Skull and Crown" co-stars John Elliott, Lois January, Tom London. Next, in an edited version of the feature "Pride of the Legion," Rinty, Jr. plays man's best friend to a troubled police officer having difficulty coping with an on-the-job trauma. Victor Jory, Barbara Kent co-star. 85 min. total. Standard; Soundtrack: English.