Chocolate Turtles Crisis strikes when Gerald's little sister, Timberly, eats a stock of chocolate turtles that he and Arnold are supposed to sell for a local scout organization. Details Casts Title Chocolate Turtles Genres Family Animation Comedy Kids Release Date 1999-04-05 Episode Runtime 00 Hours 12 Minutes Season Number 4 Episode Number 12 Production Companies Snee-Oosh Productions, Nicktoons Productions, Nubian Nights Worldwide, Games Animation, Nickelodeon Productions Spencer Klein Arnold (voice) Francesca Marie Smith Helga Pataki (voice) Jamil Walker Smith Gerald Johanssen (voice) Justin Shenkarow Harold Berman (voice) Dan Castellaneta Grandpa Phil (voice) Christopher Walberg Stinky Peterson (voice)