How many Beagle Boys there are has always been inconsistent in the comic books. Their creator Carl Barks often used up to 7 Beagles in a single story, but used more of them in stories such "The Menehune Mystery" (1953), which feature up to 30 different Beagles. Other writers have depicted hundreds of different Beagles, and various stories depict them as an international crime organization with thousands of members.
Curse me kilts!
The opening credits is a montage of scenes, some from episodes in the show and some originally animated for the opening. At the end, Scrooge and his nephews pop out of a mound of gold, with the series title appearing above them.