"Why did I think I didn't thank her?" an emotional Bates said on 'CBS Sunday Morning' after the realization, more than 30 years after her Oscar win

Kathy Bates had it all wrong. For years, the Matlock star was under the impression that she’d neglected to thank her mother in her 1991 Oscar acceptance speech. But it turns out, her memory had played a trick on her.

For years, Kathy Bates has believed she missed thanking someone pivotal during her acceptance speech after she won the Oscar for best actress in 1991 for her performance in “Misery.”

The 76-year-old has been back in the spotlight now that her new show, Matlock, premiered on CBS — first appearing to announce her eventual retirement in the New York Times and then walking the statement back on the red carpet. But the Academy Award winner's emotional reaction during an interview with Ben Mankiewicz has viewers especially stunned.

She previously thought she’d forgotten to shout out her mom at the 1991 Academy Awards. After more than three decades, Kathy Bates is getting emotional about her 1991 Oscar win. During an appearance on CBS Sunday Morning with Ben Mankiewicz,