John Ritter’s physical comedy "marveled" fans while he performed on the hit "Three's Company" sitcom. | "Superstar: John Ritter" details the life and career of #JohnRitter - premiering Wednesday at 10/9c on ABC and streaming next day on Hulu. #SuperstarABC https://abcn.ws/2WmDBnH | ABC 20/20

JOHN RITTER: A LEGEND OF LAUGHTER GONE TOO SOON | The comedy star who made the world smile From sitcom superstar to beloved family entertainer — John Ritter was the heart of American comedy. Born in Burbank, California in 1948, he carried the legacy of his father, country music icon Tex Ritter, but created a legacy of his own in Hollywood. He first appeared on TV in 1966 — as a contestant on The Dating Game — before finding his true calling in acting and graduating with a BFA in Drama from USC.

"He was just walking funny." Stars are remembering John Ritter's comedy genius, during the special "Superstar: John Ritter" - premiering Wednesday at 10/9c on ABC and streaming next day on Hulu. #SuperstarABC #JohnRitter https://abcn.ws/2WmDBnH | ABC 20/20