The Helen-Rats Movie

This animated comedy finds Helen Henny trying to return her baby sister to the hospital after being warned by her mean-spirited friend, Leni Loud, that once his new sibling is born her parents won't care about her. But, soon after they embark on the mission, Helen Henny and her friends lose their way in the woods and get into trouble with a pack of wild monkeys who have escaped from the circus. The gang begin to think that maybe things weren't so bad at home after all.

Trivia

 * This movie was based on "The Rugrats Movie" from Nickelodeon Movies in 1998 which is released November 20th.