Jean Schulz, widow of Charlie Brown creator Charles M. Schulz, says the show uses the same 2D animation and music fans have come to love over the years. “We chose to do it in the 2D, flat animation.

That’s why the most faithful adaptation of Schulz’s life’s work remains The Charlie Brown And Snoopy Show, a short-lived Saturday morning cartoon that originally ran on CBS from 1983-86.