Get ready for more adventures with The Wild Thornberrys! In Season 4 of the hit show, while in Borneo, the Thornberrys find themselves close to where they found Donnie, who disappears into the jungle to search for his original family. Meanwhile, Grandma Sophie decides to visit, and Nigel and Marianne are under pressure to film orang-utans or their show funding will be cut.

In Season 5, embark on a grand adventure with The Wild Thornberrys as they experience the amazing Alaskan wildlife, the Antarctic, and more! Hang on as teenage rocker Shane joins the Thornberrys as an animal advocate during their stay in Alaska, and Debbie and Eliza develop crushes on him! Then the family travels to Scotland where Nigel's going to be knighted by the Queen of England and his mother presses him to settle down and become a professor at Oxford.

Will the Thornberrys really give up life in the wild?
Sit back, tune in, and find out!