He's a Bully, Charlie Brown is the 44th prime-time animated television special based on the comic strip Peanuts by Charles M. Schulz. It was originally aired on the ABC network on November 20, 2006. The special is primarily based on a story from the Peanuts comic strips originally appearing in April 1995. He's a Bully, Charlie Brown was an idea Schulz had pitched, and worked on before his death on February 12, 2000. Schulz's working title for the special was It's Only Marbles, Charlie Brown. Animation was produced by Toon-Us-In.

It is the last special to be produced by and feature Bill Melendez as the voice of Snoopy and Woodstock, as he died on September 2, 2008. It was also the last new special to air on ABC as the next special Happiness Is a Warm Blanket, Charlie Brown aired on Fox. This is also the last Peanuts special from the 2000s, and the last special to be in standard definition.