Jimmy Kimmel's rivalry with Matt Damon is a joke that's been going for decades, and it appears it won't be stopping anytime soon.
During his Monday night monologue in New York, Kimmel is interrupted when Damon pops up in the crowd to cheer for the Boston Red Sox — alongside Kimmel's own mother and sister.
Kimmel wastes no time in throwing Damon out, but isn't too happy when he leaves with the host's family in tow.
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