Pinky and the Brain is an American animated television series. It was the first animated television series to be presented in Dolby Surround and the fourth collaboration of Steven Spielberg with his production company, Amblin Television and produced by Warner Bros. Animation. The characters first appeared in 1993 as a spin-off and a recurring skit on Animaniacs. It was later picked up as a series due to its popularity, with 66 episodes produced. Later, they appeared in the series Pinky, Elmyra & the Brain.