Kelsey Grammer revealed what he thinks is the origin of his 30-year falling-out with "Cheers" co-star Ted Danson after reconciling last fall.

Grammer, 69, and Danson, 77, starred opposite one another ... It was when I was drinking a lot. “Ted had just come up and said, ‘You know, I’m kind of mad at you that sometimes you don ...

The cast of 1983’s “Cheers,” including (clockwise from center, top) Ted Danson, Woody Harrelson, George Wendt, Kirstie Alley, Rhea Perlman, John Ratzenberger and Kelsey Grammer.

However, after patching things up with Danson, he said that pair “might actually visit something together. Kelsey Grammer, Rhea Perlman, and Ted Danson speak onstage during the Emmy Awards in ...