38K views · 342 reactions | 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 | Facebook

91K views · 402 reactions | "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 | Facebook

4.2K views · 226 reactions | Physical comedy at its best!! John Ritter was a gem. He always put a smile on my face and still makes me laugh when I watch old clips. He would have turned 76 today. (September 17, 1948-September 11, 2003) #johnritter #jacktripper #tribute #legend #80s #ilovethe80s #favoriteshows #threescompany #genx #childhood #memories #foryoupage | Threes Company 58467 | Facebook

John Ritter was a comedic genius and a dear friend. His legacy lives on forever. What a privilege to share those precious years with him on Three’s Company. The ABC 20/20 special aired last night but you can stream it now on Hulu. 💕 | Suzanne Somers