Following his sudden death in 2003 after experiencing an aortic dissection, a tear in the large artery that carries blood away from the heart, John Ritter’s wife says she started The John Ritter Foundation for Aortic Health “to make sure no other family has to suffer.” #SuperstarABC #JohnRitter https://abcn.ws/3gn0COc | ABC 20/20

Stars, friends & family remember the genius of John Ritter. The emotional new event special ‘Superstar: John Ritter’ premieres tonight at 10|9c on ABC – and streaming on Hulu. https://abcn.ws/3ybhmhs | ABC 20/20

Stars, family and friends open up about their memories of John Ritter and his legacy. Stream ABC's "Superstar: John Ritter" on Hulu. #SuperstarABC #JohnRitter https://hulu.tv/2VH6wSR | ABC 20/20

Jason Ritter delights fans on TikTok with a spot-on impression of his late father, John Ritter, as Jack Tripper from 'Three's Company.' | Entertainment Tonight