Bubbles can speak Spanish in the original series The Powerpuff Girls.
The ability is one of Bubbles’ notable character details. Although she is usually presented as the sweet and enthusiastic member of the trio, the original series gives her unusual talents and interests that go beyond the girls’ shared superpowers.
Bubbles is also associated with animals, drawing, and her stuffed octopus, Octi. These traits help differentiate her from Blossom’s leadership and Buttercup’s tougher attitude. Her language ability is a character fact, not the name of a separate adaptation or a reference to the Spanish-language dub.
A common mix-up is to treat any Spanish dialogue heard in the franchise as evidence about the voice cast or broadcast language. The question concerns Bubbles’ ability within the fictional story of the original English-language series.