The Rugrats go on a family cruise and end up getting their boat sink during a storm! Than they find themselves marooned on an island with no food or even a radio.The adults think that the island is...

The Rugrats go on a family cruise and end up getting their boat sink during a storm! Than they find themselves marooned on an island with no food or even a radio.The adults think that the island is deserted and dont know that the Thornberrys are on the same island. Meanwhile,Tommy thinks that only one man:Nigel Thornberry can help them get off the island! But when Tommy and his friends finds Nigel Thornberry,he bumps his head and turns into a 3 year old baby! While Spike goes on a search for the babies,he meets Eliza Thornberry,who helps him find the babies. To make matters worse the babies get stuck underwater in a bathyspher.Than Marianne Thornberry and the adults work together as a group to get out! This movie is filled with lots of laughs and excitement plus alot of great songs.Be sure to watch this great Rugrats/Thornberrys crossover!