This adventure unites two of Nickelodeon's funniest cartoon families ever! The "Rugrats" (1991-2004) go on a family vacation in the jungle, and encounter "The Wild Thornberrys" (1998-2001). The two families must work together as the babies get trapped, Nigel starts hallucinating and Spike speaks for the first time. Soon, everyone is running from the infamous white leopard in a race for their lives. "Rugrats Go Wild" (2003) features the voices of Tim Curry, Chrissie Hynde, and Bruce Willis as Spike the dog.