The Rugrats are on a vacation of a lifetime, but when their ship sinks and leaves them stranded on a deserted island, Tommy Pickles knows there is only one man who can save them, Nigel Thornberry. Based on the upcoming cross-over movie event of the year, the Rugrats meet-up with the Thornberrys in this thrilling adventure that has the babies wandering through the rainforest encountering monkeys, crocodiles and even a leopard. Working together, the Thornberrys will try to salvage their vacation and have one of the most memorable family trips ever.