Kaley Cuoco Breaks Down Remembering Late TV Dad John Ritter: 'One of the Worst Days of My Life'

Kaley Cuoco became tearful over the weekend while honoring the memory of her former co-star John Ritter, describing the day of his tragic passing as one of the darkest moments she has ever experienced. The actress took the stage at a tribute event on Saturday evening to look back on her time working alongside the legendary television comedian. Cuoco was a rising teenage star when she was cast as Bridget Hennessy, the eldest daughter of Ritter's character on the ABC comedy series *8 Simple Rules for Dating My Teenage Daughter*. The pair quickly formed a tight bond on and off the camera, making the sudden health crisis that unfolded during production in 2003 profoundly heartbreaking for the entire cast and crew.

How did John Ritter die?

The beloved actor unexpectedly fell ill on set in September 2003 during rehearsals for the sitcom's second season. He was immediately transported to a medical center, where doctors discovered he had suffered a thoracic aortic dissection—a severe tearing in the main artery carrying blood away from the heart. Ritter tragically passed away that night at the age of 54, sending shockwaves through the entertainment industry. Addressing the audience at Saturday's event, Cuoco admitted that discussing Ritter's death still brings her to tears more than twenty years later. She candidly revealed that the terrifying afternoon on set and the painful realization that her TV father was gone marked one of the worst days of her entire life.

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What did Kaley Cuoco say about John Ritter?

Even through her tears, the former *Big Bang Theory* lead made sure to emphasize the light and laughter Ritter brought into her world. She remembered him as a comedic genius who led their set with kindness, constantly making the cast laugh while mentoring the younger actors through the demands of prime-time television. Cuoco has frequently credited Ritter with shaping her career and approach to Hollywood, keeping his spirit close as she moved on to major roles in hits like *The Flight Attendant*. For the actress, honoring her late TV dad remains a lifelong commitment, ensuring that fans never forget his extraordinary talent and warm heart.