Avatar: The Last Airbender
Nickelodeon also gave birth to hit shows such as "Doug", "Rugrats", "Rocko's Modern Life", "Hey Arnold!", "CatDog", "SpongeBob SquarePants", "" and "The Loud House". Many of these shows spawned successful theatrical films as well, most notably "Rugrats" (which garnered 3 films), "SpongeBob SquarePants" (which has garnered 2 theatrical films and several TV movies) and "Avatar: The Last Airbender" (which garnered both a sequel series and a live action film.)