This episode (and four others) originally appeared as a tv-movie, "Super Ducktales." After it initially aired in movie format, it was split into 5 episodes for syndication.
It is revealed in the episode, as a running joke, that even Huey, Dewie, and Louie cannot tell one another apart if they aren't in different colored clothes.
Final appearance of Bank Job, Bugle and Babyface.