Nurse Lazlo: Oh, my babies are so talented, but I think we are getting a bit poopy in the pants. Time to change diaper! Buck: Uh-oh! Derrick: Dat rules! Buck: All done! Meg: We just washed your car... and our diapers! Derrick: See ya, Grizzy! Peter Potty: When you're just at that age, / Time for turning a page / Too big for wearing diapers, / But too little for the porcelain throne... / I can coach you with your training, / And there won't be no complaining / I can help you with your job, / Hey, with that corn on the cob! / Peter Potty is your man / Peter Potty can, can, can! / Oh, Peter Potty, your teacher, hero and... beeeeeeeest frieeeeeeeeeeend! / Peter Potty, yeah!