The chant comes from Dora the Explorer, the Nickelodeon animated series for young children that first aired in 2000 and follows Dora on problem-solving adventures with her friends. In the show, Dora often calls for her talking backpack, whose Spanish name is Mochila, and the repeated call became one of its most memorable musical moments. As viewers who grew up with the series began sharing clips online, the short chant took on a second life on soundboards and in short-form videos, where its familiarity and sing-along rhythm keep it instantly recognisable years later.