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.

CHEERS, clockwise from top, Ted Danson, Woody Harrelson, George Wendt, Kirstie Alley, Rhea Perlman, John Ratzenberger, Kelsey Greammer, 1982â93 (ca. late 1980s photo). ©NBC / courtesy Everett ...

Grammer, 69, appeared on Danson's, 77, podcast Everybody Knows Your Name , which he co-hosts with Woody Harrelson , back in ...

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Over 30 years after "Cheers" aired its final episode ... "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't show up ...

Ted Danson apologized to Cheers co-star Kelsey Grammer for the silence during their 30-year-rift on Danson & Woody ...

It turns out that Grammer had a feud going with Cheers co-star Ted Danson for 30 years that was specifically tied to the show. Grammer and Danson had previously addressed how they hadn’t spoken ...

Kelsey Grammer revealed what caused the feud between himself and Cheers costar Ted Danson which led to a feud where the men went 30 years barely speaking. “It got a little blown out of proportion.