Rugrats Go Wild is a 2003 American animated crossover adventure film based on the Nickelodeon animated television series Rugrats and The Wild Thornberrys. It is the final installment of both the Rugrats and The Wild Thornberrys film series and the sequel to both the films Rugrats in Paris: The Movie (2000) and The Wild Thornberrys Movie (2002). The film takes place after the ninth season of Rugrats and the fifth season of The Wild Thornberrys. Christine Cavanaugh, the original voice of Chuckie Finster, was replaced by Nancy Cartwright.

Rugrats is an American animated television series created by Arlene Klasky, Gábor Csupó, and Paul Germain for Nickelodeon. The series focuses on a group of toddlers, most prominently—Tommy, Chuckie, Phil, and Lil and their day-to-day lives, usually involving life experiences that become much greater adventures in the imaginations of the main characters.